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An early sign of autosomal recessive PKD is an enlarged kidney, seen in a fetus or an infant using ultrasound. Kidney function is crucial for early physical development, so children with autosomal recessive PKD and decreased kidney function are usually smaller-than-average size, a condition called growth failure. Some people with autosomal recessive PKD do not develop signs or symptoms until later in childhood or even adulthood.
What treatment options have been attempted for Shapiro syndrome? Evaluating effective treatment options for Shapiro syndrome can be difficult because of the limited number of diagnosed cases, the periodic nature of the disease, and other factors. Nonetheless, the following have been attempted and have resulted in varying responses: anticonvulsants, clonidine, cyproheptadine, glycopyrrolate, bromocriptine, chlorpromazine, or sympathectomy. It is recommended that treatment options be discussed with a health care provider. Only a patient's health care provider can determine the appropriate course of treatment.
Refsum disease is an inherited condition that causes vision loss, absence of the sense of smell (anosmia), and a variety of other signs and symptoms. The vision loss associated with Refsum disease is caused by an eye disorder called retinitis pigmentosa. This disorder affects the retina, the light-sensitive layer at the back of the eye. Vision loss occurs as the light-sensing cells of the retina gradually deteriorate. The first sign of retinitis pigmentosa is usually a loss of night vision, which often becomes apparent in childhood. Over a period of years, the disease disrupts side (peripheral) vision and may eventually lead to blindness. Vision loss and anosmia are seen in almost everyone with Refsum disease, but other signs and symptoms vary. About one-third of affected individuals are born with bone abnormalities of the hands and feet. Features that appear later in life can include progressive muscle weakness and wasting; poor balance and coordination (ataxia); hearing loss; and dry, scaly skin (ichthyosis). Additionally, some people with Refsum disease develop an abnormal heart rhythm (arrhythmia) and related heart problems that can be life-threatening.
How is achondrogenesis inherited? Achondrogenesis type 1A and type 1B are believed to be inherited in an autosomal recessive pattern. Autosomal recessive inheritance means both copies of the gene in each cell have mutations. Most often, the parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but do not show signs and symptoms of the condition. Achondrogenesis type 2 is considered an autosomal dominant disorder because one copy of the altered gene in each cell is sufficient to cause the condition. It is almost always caused by new (de novo) mutations and typically occurs in people with no history of the disorder in their family.
How might leiomyosarcoma be treated? Treatment of leiomyosarcoma varies depending on the location and stage of the cancer. Surgery is typically the first choice for treatment, however, chemotherapy, targeted drugs, radiation therapy, and hormonal therapy may also be used to treat leiomyosarcoma. Additional information on the treatment of intestinal leiomyosarcoma is available from Medscape Reference. You may need to register to view this online medical resource, but registration is free
Restless legs syndrome is a neurological condition that causes an irresistible urge to move the legs. The movement is triggered by strange or uncomfortable feelings, which occur mostly while the affected person is sitting or lying down and are worse at night. Movement (i.e. kicking, stretching, rubbing, or pacing) makes the discomfort go away, at least temporarily. Many people with restless legs syndrome also experience uncontrollable, repetitive leg movements that occur while they are sleeping or while relaxed or drowsy. Researchers have described early-onset and late-onset forms of restless legs syndrome. The early-onset form begins before age 45 and progresses slowly. The late-onset form begins after age 45, and its signs and symptoms tend to worsen more rapidly. Restless legs syndrome likely results from a combination of genetic, environmental, and lifestyle factors, many of which are unknown. Treatment is based on the signs and symptoms present in each person.
Keutel syndrome is an inherited condition characterized by cartilage calcification in the ears, nose, larnyx, trachea (voice box), and ribs; pulmonary artery stenoses; brachytelephalangism (short fingers and nails that resemble drumsticks); and facial dysmorphism. Less than 30 cases have been reported in the literature. The majority of affected individuals have been diagnosed during childhood. Other associated features may include hearing loss, recurrent otitis and/or sinusitis, mild intellectual disability, frequent respiratory infections, nasal speech and rarely, seizures, and short stature. This condition is inherited in an autosomal recessive fashion and is caused by mutations in the MGP gene.
Summary : Every year, lives are lost because of the spread of infections in hospitals. Health care workers can take steps to prevent the spread of infectious diseases. These steps are part of infection control. Proper hand washing is the most effective way to prevent the spread of infections in hospitals. If you are a patient, don't be afraid to remind friends, family and health care providers to wash their hands before getting close to you. Other steps health care workers can take include - Covering coughs and sneezes - Staying up-to-date with immunizations - Using gloves, masks and protective clothing - Making tissues and hand cleaners available - Following hospital guidelines when dealing with blood or contaminated items
Treatment for SOD is symptomatic. Hormone deficiencies may be treated with hormone replacement therapy. The optical problems associated with SOD are generally not treatable. Vision, physical, and occupational therapies may be required.
Is glioblastoma inherited? Most glioblastomas are not inherited. They usually occur sporadically in people with no family history of tumors. However, they can rarely occur in people with certain genetic syndromes such as neurofibromatosis type 1, Turcot syndrome and Li Fraumeni syndrome. All of these conditions are inherited in an autosomal dominant manner.
Summary : Most young children get sick. It is hard for parents to know what is serious. You can learn what the common warning signs are. In the end, trust your intuition. If you are worried about your toddler, call your health care provider right away. Well-child visits are important to your toddler's health. Toddlers will get their recommended immunizations during these visits. Routine exams and screenings help you and your kids prevent and treat health problems as well as chart their growth and development.
There is currently no effective treatment for PSP, although scientists are searching for better ways to manage the disease. In some patients the slowness, stiffness, and balance problems of PSP may respond to antiparkinsonian agents such as levodopa, or levodopa combined with anticholinergic agents, but the effect is usually temporary. The speech, vision, and swallowing difficulties usually do not respond to any drug treatment.. Another group of drugs that has been of some modest success in PSP are antidepressant medications. The most commonly used of these drugs are Prozac, Elavil, and Tofranil. The anti-PSP benefit of these drugs seems not to be related to their ability to relieve depression. Non-drug treatment for PSP can take many forms. Patients frequently use weighted walking aids because of their tendency to fall backward. Bifocals or special glasses called prisms are sometimes prescribed for PSP patients to remedy the difficulty of looking down. Formal physical therapy is of no proven benefit in PSP, but certain exercises can be done to keep the joints limber. A surgical procedure, a gastrostomy, may be necessary when there are swallowing disturbances. This surgery involves the placement of a tube through the skin of the abdomen into the stomach (intestine) for feeding purposes.
What are the signs and symptoms of Dwarfism Levi type? The Human Phenotype Ontology provides the following list of signs and symptoms for Dwarfism Levi type. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Abnormality of the face - Autosomal dominant inheritance - Autosomal recessive inheritance - Severe short stature - Small for gestational age - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common.
What are the signs and symptoms of idiopathic juxtafoveal retinal telangiectasia? Signs and symptoms of idiopathic juxtafoveal retinal telangiectasia may include slow loss of vision, distorted vision, trouble reading, and scotomata (a spot in the visual field in which vision is absent or deficient).
Dihydropyrimidine dehydrogenase (DPD) deficiency is a condition in which the body cannot break down the nucleotides thymine and uracil. DPD deficiency can have a wide range of severity; some individuals may have various neurological problems, while others have no signs and symptoms. Signs and symptoms in severely affected individuals begin in infancy and may include seizures, intellectual disability, microcephaly, increased muscle tone (hypertonia), delayed motor skills, and autistic behavior. All individuals with the condition, regardless of the presence or severity of symptoms, are at risk for severe, toxic reactions to drugs called fluoropyrimidines which are used to treat cancer. Individuals with no symptoms may be diagnosed only by laboratory testing or after exposure to fluoropyrimidines. DPD deficiency is caused by mutations in the DPYD gene and is inherited in an autosomal recessive manner.
Mutations in the TPI1 gene cause triosephosphate isomerase deficiency. This gene provides instructions for making an enzyme called triosephosphate isomerase 1. This enzyme is involved in a critical energy-producing process known as glycolysis. During glycolysis, the simple sugar glucose is broken down to produce energy for cells. TPI1 gene mutations lead to the production of unstable enzymes or enzymes with decreased activity. As a result, glycolysis is impaired and cells have a decreased supply of energy. Red blood cells depend solely on the breakdown of glucose for energy, and without functional glycolysis, red blood cells die earlier than normal. Cells with high energy demands, such as nerve cells in the brain, white blood cells, and heart (cardiac) muscle cells are also susceptible to cell death due to reduced energy caused by impaired glycolysis. Nerve cells in the part of the brain involved in coordinating movements (the cerebellum) are particularly affected in people with triosephosphate isomerase deficiency. Death of red and white blood cells, nerve cells in the brain, and cardiac muscle cells leads to the signs and symptoms of triosephosphate isomerase deficiency.
Renal tubular dysgenesis is a rare disorder, but its prevalence is unknown.
Osteochondritis dissecans is a joint condition that occurs when a piece of cartilage and the thin layer of bone beneath it, separates from the end of the bone. If the piece of cartilage and bone remain close to where they detached, they may not cause any symptoms. However, affected people may experience pain, weakness and/or decreased range of motion in the affected joint if the cartilage and bone travel into the joint space. Although osteochondritis dissecans can affect people of all ages, it is most commonly diagnosed in people between the ages of 10 and 20 years. In most cases, the exact underlying cause is unknown. Rarely, the condition can affect more than one family member (called familial osteochondritis dissecans); in these cases, osteochondritis dissecans is caused by changes (mutations) in the ACAN gene and is inherited in an autosomal dominant manner. Treatment for the condition varies depending on many factors, including the age of the affected person and the severity of the symptoms, but may include rest; casting or splinting; surgery and/or physical therapy.
The prognosis for those with paresthesia depends on the severity of the sensations and the associated disorders.
Your salivary glands make saliva - sometimes called spit - and empty it into your mouth through openings called ducts. Saliva makes your food moist, which helps you chew and swallow. It helps you digest your food. It also cleans your mouth and contains antibodies that can kill germs. Salivary gland cancer is a type of head and neck cancer. It is rare. It may not cause any symptoms, or you could notice - A lump in your ear, cheek, jaw, lip, or inside the mouth - Fluid draining from your ear - Trouble swallowing or opening the mouth widely - Numbness, weakness, or pain in your face Doctors diagnose salivary gland cancer using a physical exam, imaging tests, and a biopsy. Treatment can include surgery, radiation therapy, and/or chemotherapy. NIH: National Cancer Institute
There is no cure for these headaches. The disorder is not fatal but can cause considerable discomfort.
The RUNX2 gene provides instructions for making a protein that is involved in bone and cartilage development and maintenance. This protein is a transcription factor, which means it attaches (binds) to specific regions of DNA and helps control the activity of particular genes. Researchers believe that the RUNX2 protein acts as a "master switch," regulating a number of other genes involved in the development of cells that build bones (osteoblasts). Some mutations change one protein building block (amino acid) in the RUNX2 protein. Other mutations introduce a premature stop signal that results in an abnormally short protein. Occasionally, the entire gene is missing. These genetic changes reduce or eliminate the activity of the protein produced from one copy of the RUNX2 gene in each cell, decreasing the total amount of functional RUNX2 protein. This shortage of functional RUNX2 protein interferes with normal bone and cartilage development, resulting in the signs and symptoms of cleidocranial dysplasia. In rare cases, affected individuals may experience additional, unusual symptoms resulting from the loss of other genes near RUNX2. In about one-third of individuals with cleidocranial dysplasia, no mutation in the RUNX2 gene has been found. The cause of the condition in these individuals is unknown.
Familial mixed cryoglobulinemia is a rare condition that is characterized by the presence of abnormal proteins (called cryoglobulins) in the blood. These proteins clump together into a "gel-like" consistency at low temperatures, which can lead to inflammation, blocked blood vessels, and a variety of health problems. The associated signs and symptoms vary from person to person depending on which parts of the body or organ systems are affected; however, common features include purpura, joint pain, breathing problems, muscle pain, fatigue, glomerulonephritis, Raynaud's phenomenon, and skin abnormalities. The underlying genetic cause of familial mixed cryoglobulinemia is currently unknown. Although there are only a few reported families with this condition, it appears to be inherited in an autosomal dominant manner. Treatment is based on the signs and symptoms present in each person. In severe cases, medications that suppress the immune system may be necessary.
Generally, within 15 to 20 years after the appearance of the first symptoms, the person is confined to a wheelchair, and in later stages of the disease, individuals may become completely incapacitated. Friedreich's ataxia can shorten life expectancy; heart disease is the most common cause of death. Many individuals with Friedreich's ataxia die in early adulthood, but some people with less severe symptoms live into their 60s, 70s, or longer.
This condition is inherited in an X-linked dominant pattern. The gene associated with this condition is located on the X chromosome, which is one of the two sex chromosomes. In females (who have two X chromosomes), a mutation in one of the two copies of the gene in each cell is sufficient to cause the disorder. In males (who have only one X chromosome), a mutation in the only copy of the gene in each cell causes the disorder. In most cases, males experience more severe symptoms of the disorder than females. A characteristic of X-linked inheritance is that fathers cannot pass X-linked traits to their sons.
The NINDS supports and conducts research on genetic disorders, such as Coffin-Lowry syndrome, in an effort to find ways to prevent, treat, and ultimately cure these disorders.
How is autoimmune hepatitis diagnosed? The diagnosis of autoimmune hepatitis is typically made based on symptoms, blood tests, and a liver biopsy.
Summary : Lice are parasitic insects that can be found on people's heads and bodies. They survive by feeding on human blood. Lice found on each area of the body are different from each other. The three types of lice that live on humans are head lice, body lice (also called clothes lice), and pubic lice ("crabs"). Symptoms of lice may include - Intense itching - Rash - Visible nits (lice eggs) or crawling lice Lice spread most commonly by close person-to-person contact. Dogs, cats, and other pets do not spread human lice. Lice move by crawling. They cannot hop or fly. If you get lice, both over-the-counter and prescription medicines are available for treatment. Centers for Disease Control and Prevention
These resources address the diagnosis or management of achondrogenesis: - Gene Review: Gene Review: Achondrogenesis Type 1B - Genetic Testing Registry: Achondrogenesis type 2 - Genetic Testing Registry: Achondrogenesis, type IA - Genetic Testing Registry: Achondrogenesis, type IB - MedlinePlus Encyclopedia: Achondrogenesis These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Drug Therapy - Surgery and Rehabilitation - Genetic Counseling - Palliative Care
What are the symptoms of tularemia? The symptoms of tularemia usually appear 3 to 5 days after exposure to the bacteria, but can take as long as 14 days. Symptoms may include: Fever Chills Headache Diarrhea Muscle pains Joint stiffness Dry cough Progressive weakness Sweating Weight loss People can also catch pneumonia and develop chest pain, bloody sputum and can have trouble breathing and even sometimes stop breathing. Other symptoms of tularemia depend on how a person was exposed to the tularemia bacteria. These symptoms can include ulcers on the skin or mouth, swollen and painful lymph glands, swollen and painful eyes, and a sore throat.
What are the recommended evaluations for patients diagnosed with periventricular nodular heterotopia? The following evaluations are recommended:[1823] Imaging exams of the brain to establish the diagnosis Evaluation by a neurologist Evaluation by a doctor specialized in epilepsy if seizures are present Psychiatric evaluation if necessary Magnetic resonance angiography (MRA) of the brain vessels, carotid arteries, and aorta because of the risk for stroke Evaluation by a cardiologist and either echocardiogram or a heart magnetic resonance imaging (MRI) because of the risk for aortic aneurysm Evaluation by a hematologist if findings suggest a bleeding diathesis.
Cri-du-chat syndrome occurs in an estimated 1 in 20,000 to 50,000 newborns. This condition is found in people of all ethnic backgrounds.
Is genetic testing avaliable for congenital adrenal hyperplasia? Yes, genetic testing is available for many of the genes known to cause congenital adrenal hyperplasia (CAH). Carrier testing for at-risk relatives and prenatal testing are possible if the disease-causing mutations in the family are known. The Genetic Testing Registry (GTR) is a centralized online resource for information about genetic tests. The intended audience for the GTR is health care providers and researchers. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional. How is congenital adrenal hyperplasia diagnosed? Shortly after birth, all newborns in the United States are screened for a variety of conditions, including 21-hydroxylase deficiency. This is the most common cause of congenital adrenal hyperplasia (CAH) and accounts for 95% of classic CAH cases. Nonclassic CAH is not detected through newborn screening and is often not suspected until signs and symptoms of the condition begin to appear later in childhood or early adulthood. In these cases, a diagnosis of CAH is usually based on physical examination; blood and urine tests that measure hormone levels; and/or genetic testing. An X-ray may also be helpful in confirming the diagnosis in children since CAH can cause bones to grow and develop more quickly than usual (advanced bone age) .
This condition is typically inherited in an autosomal recessive pattern, which means both copies of the SLC22A12 or SLC2A9 gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they usually do not show signs and symptoms of the condition. Sometimes, individuals with one SLC2A9 gene mutation in each cell have reduced levels of uric acid. The levels usually are not as low as they are in people who have mutations in both copies of the gene, and they often do not cause any signs or symptoms. Rarely, people who carry one copy of the mutated gene will develop uric acid kidney stones.
Hypochondrogenesis is considered an autosomal dominant disorder because one copy of the altered gene in each cell is sufficient to cause the condition. It is caused by new mutations in the COL2A1 gene and occurs in people with no history of the disorder in their family. This condition is not passed on to the next generation because affected individuals do not live long enough to have children.
A craniopharyngioma is a slow-growing benign tumor that develops near the pituitary gland (a small endocrine gland at the base of the brain) and the hypothalamus (a small cone-shaped organ connected to the pituitary gland by nerves). This tumor most commonly affects children between 5 and 10 years of age; however, adults can sometimes be affected. Craniopharyngiomas are thought to arise from remnants of the craniopharyngeal duct and/or Rathke cleft or from metaplasia (abnormal transformation of cells) of squamous epithelial cell remnants of the stomadeum.[orphanet] Craniopharyngioma is treated with surgery alone or by surgery followed by radiation.
Paroxysmal extreme pain disorder is a rare condition; approximately 80 affected individuals have been described in the scientific literature.
Tetanus, diphtheria, and pertussis (whooping cough) are serious bacterial infections. Tetanus causes painful tightening of the muscles, usually all over the body. It can lead to "locking" of the jaw. Diphtheria usually affects the nose and throat. Whooping cough causes uncontrollable coughing. Vaccines can protect you from these diseases. In the U.S., there are four combination vaccines: - DTaP prevents all three diseases. It is for children younger than seven years old. - Tdap also prevents all three. It is for older children and adults. - DT prevents diphtheria and tetanus. It is for children younger than seven who cannot tolerate the pertussis vaccine. - Td prevents diphtheria and tetanus. It is for older children and adults. It is usually given as a booster dose every 10 years. You may also get it earlier if you get a severe and dirty wound or burn. Some people should not get these vaccines, including those who have had severe reactions to the shots before. Check with your doctor first if you have seizures, a neurologic problem, or Guillain-Barre syndrome. Also let your doctor know if you don't feel well the day of the shot; you may need to postpone it. Centers for Disease Control and Prevention
These resources address the diagnosis or management of Brugada syndrome: - Gene Review: Gene Review: Brugada Syndrome - Genetic Testing Registry: Brugada syndrome - Genetic Testing Registry: Brugada syndrome 1 - MedlinePlus Encyclopedia: Arrhythmias These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Drug Therapy - Surgery and Rehabilitation - Genetic Counseling - Palliative Care
Chromosome 4p deletion is a chromosome abnormality that occurs when there is a missing copy of the genetic material located on the short arm (p) of chromosome 4. The severity of the condition and the signs and symptoms depend on the size and location of the deletion and which genes are involved. Features that often occur in people with chromosome 4p deletion include developmental delay, intellectual disability, behavioral problems, and distinctive facial features. Most cases are not inherited, but people can pass the deletion on to their children. Treatment is based on the signs and symptoms present in each person.
The incidence of hereditary hemorrhagic telangiectasia is difficult to determine because the severity of symptoms can vary widely and some symptoms, such as frequent nosebleeds, are common in the general population. In addition, arteriovenous malformations may be associated with other medical conditions. Hereditary hemorrhagic telangiectasia is widely distributed, occurring in many ethnic groups around the world. It is believed to affect between 1 in 5,000 and 1 in 10,000 people.
Galactosialidosis is an autosomal recessive lysosomal storage disorder caused by mutations in the CTSA gene. It is characterized by coarse facial features, macular cherry-red spots, angiokeratoma (dark red spots on the skin), vertebral deformities, epilepsy, action myoclonus, and ataxia. There are three different types of galactosialidosis: early infantile, late infantile and juvenile/adult. The three forms of galactosialidosis are distinguished by the age at which symptoms develop and the pattern of features.
What is the treatment for microscopic polyangiitis (MPA)? MPA is treated with medications that suppress the immune system, which can lower an individual's resistance to infections. There are a variety of immune suppressing medications that are used in MPA; however, resources state that a steroid (usually prednisone) and a medication toxic to cells (usually starting with cyclophosphamide) are typically prescribed first. The goal of treatment is to stop all of the organ damage that occurs as a result of MPA. The duration of treatment with immune suppressing medication varies between individuals, but is typically given for at least one to two years.
If you have hepatitis A, you should do things to take care of yourself, including eating a healthy diet. Avoid drinking alcohol, which can harm the liver. Talk with your doctor before taking vitamins and other supplements.
Spondylocostal dysostosis is a group of conditions characterized by abnormal development of the bones in the spine and ribs. In the spine, the vertebrae are misshapen and fused. Many people with this condition have an abnormal side-to-side curvature of the spine (scoliosis). The ribs may be fused together or missing. These bone malformations lead to short, rigid necks and short midsections. Infants with spondylocostal dysostosis have small, narrow chests that cannot fully expand. This can lead to life-threatening breathing problems. Males with this condition are at an increased risk for inguinal hernia, where the diaphragm is pushed down, causing the abdomen to bulge out. There are several types of spondylocostal dysostosis. These types have similar features and are distinguished by their genetic cause and how they are inherited. Spondylocostal dysostosis 2 is caused by mutations in the MESP2 gene. It is inherited in an autosomal recessive manner. Treatment is symptomatic and supportive and may include respiratory support and surgery to correct inguinal hernia and scoliosis.
These resources address the diagnosis or management of Asperger syndrome: - Genetic Testing Registry: Asperger syndrome 1 - Genetic Testing Registry: Asperger syndrome 2 - Genetic Testing Registry: Asperger syndrome 3 - Genetic Testing Registry: Asperger syndrome 4 - Genetic Testing Registry: Asperger syndrome X-linked 1 - Genetic Testing Registry: Asperger syndrome X-linked 2 - Genetic Testing Registry: Asperger's disorder - MedlinePlus Encyclopedia: Asperger Syndrome - National Institute of Mental Health: How is ASD treated? These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Drug Therapy - Surgery and Rehabilitation - Genetic Counseling - Palliative Care
These resources address the diagnosis or management of Legius syndrome: - Children's Tumor Foundation: NF1 or Legius Syndrome--An Emerging Challenge of Clinical Diagnosis - Gene Review: Gene Review: Legius Syndrome - Genetic Testing Registry: Legius syndrome These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Drug Therapy - Surgery and Rehabilitation - Genetic Counseling - Palliative Care
Spastic paraplegia type 31 is one of a group of genetic disorders known as hereditary spastic paraplegias. These disorders are characterized by progressive muscle stiffness (spasticity) and the development of paralysis of the lower limbs (paraplegia) caused by degeneration of nerve cells (neurons) that trigger muscle movement. Hereditary spastic paraplegias are divided into two types: pure and complicated. The pure types involve only the lower limbs, while the complicated types also involve the upper limbs and other areas of the body, including the brain. Spastic paraplegia type 31 is usually a pure hereditary spastic paraplegia, although a few complicated cases have been reported. The first signs and symptoms of spastic paraplegia type 31 usually appear before age 20 or after age 30. An early feature is difficulty walking due to spasticity and weakness, which typically affect both legs equally. People with spastic paraplegia type 31 can also experience progressive muscle wasting (amyotrophy) in the lower limbs, exaggerated reflexes (hyperreflexia), a decreased ability to feel vibrations, reduced bladder control, and high-arched feet (pes cavus). As the condition progresses, some individuals require walking support.
What are the signs and symptoms of Lattice corneal dystrophy type 1? The Human Phenotype Ontology provides the following list of signs and symptoms for Lattice corneal dystrophy type 1. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Autosomal dominant inheritance - Lattice corneal dystrophy - Progressive visual loss - Recurrent corneal erosions - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common.
How is Lafora disease diagnosed? A diagnosis of Lafora disease is often suspected based on the presence of characteristic signs and symptoms. Additional testing can then be ordered to confirm the diagnosis and rule out other conditions that may cause similar features. For example, a skin biopsy may be performed to detect "Lafora bodies" (clumps of abnormal glycogen that cannot be broken down and used for fuel) which are found in most people with the condition. Genetic testing for changes (mutations) in either the EPM2A gene or the NHLRC1 gene may be used to confirm the diagnosis in some cases. An EEG and an MRI of the brain are generally recommended in all people with recurrent seizures and are useful in investigating other conditions in the differential diagnosis. GeneReview's Web site offers more specific information regarding the diagnosis of Lafora disease. Please click on the link to access this resource.
Cylindromas are non-cancerous (benign) tumors that develop from the skin. They most commonly occur on the head and neck and rarely become cancerous (malignant). An individual can develop one or many cylindromas; if a person develops only one, the cylindroma likely occurred by chance and typically is not inherited. They usually begin to form during mid-adulthood as a slow-growing, rubbery nodule that causes no symptoms. The development of multiple cylindromas can be hereditary and is inherited in an autosomal dominant manner; this condition is called familial cylindromatosis. Individuals with the inherited form begin to develop many, rounded nodules of various size shortly after puberty. The tumors grow very slowly and increase in number over time.
Surgery is a common treatment for early stage prostate cancer. It is used to remove the cancer. The surgeon may remove the entire prostate -- a type of surgery called radical prostatectomy -- or, in some cases, remove only part of it. Sometimes the surgeon will also remove nearby lymph nodes. Side effects may include lack of sexual function (impotence), or problems holding urine (incontinence).
How is congenital myasthenic syndrome inherited? Almost all types of CMS are inherited in an autosomal recessive manner. In order to have the autosomal recessive form of CMS, both parents of an affected individual must be carriers of the disease causing mutation. If a person has CMS, but their partner is not a carrier of a CMS mutation, then their children will be carriers but will not have CMS. If one person has CMS and one person is a carrier of CMS, each child has a 50% chance of either being a carrier of CMS or having the disorder. Only one form of CMS (slow-channel syndrome congenital myasthenic syndrome) has been shown to be inherited in an autosomal dominant manner. This means that if one parent has slow-channel syndrome congenital myasthenic syndrome then all of their children have a 50% chance of inheriting the disorder as well. It is important to discuss this information with your health care provider, such as a genetic counselor, to accurately determine a person's risk for passing on this disorder.
How is pachyonychia congenita inherited? Pachyonychia congenita (PC) is inherited in an autosomal dominant manner. This means that to be affected, a person only needs a change (mutation) in one copy of the responsible gene in each cell. In some cases, an affected person inherits the mutation from an affected parent. Other cases may result from new (de novo) mutations in the gene. These cases occur in people with no history of the disorder in their family. A person with PC has a 50% chance with each pregnancy of passing along the altered gene to his or her child.
Trichorhinophalangeal syndrome type 3 (TRPS3), also known as Sugio-Kajii syndrome, is an extremely rare inherited multisystem disorder. TRPS3 is characterized by short stature, sparse hair, a bulbous nasal tip and cone-shaped epiphyses (the growing ends of bones), as well as severe generalized shortening of all finger and toe bones (brachydactyly). The range and severity of symptoms may vary from case to case. TRPS3 is caused by mutations in the TRPS1 gene which is localized to 8q24.12. TRPS3 is inherited in an autosomal dominant manner.
Brachydactyly type B is a very rare genetic condition characterized by disproportionately short fingers and toes. The ends of the second and fifth fingers are usually underdeveloped with complete absence of the fingernails. The thumb bones are always intact but are frequently flattened and/or split. The feet are usually similarly affected, but less severely. Other features that may be present include webbed fingers (syndactyly) and fusion of the joints (symphalangism) and bones in the hands and feet. Only a few cases have been reported in the literature. This condition is caused by mutations in the ROR2 gene. Most cases have been shown to be inherited in an autosomal dominant fashion.
5q14.3 microdeletion syndrome is characterized by severe intellectual disability, absent speech, stereotypic movements and epilepsy. Unusual facial features include high broad forehead with variable small chin, short nose with anteverted nares (nostrils that open to the front rather than downward), large open mouth, upslanted palpebral fissures (outside corners of the eyes that point downward), and prominent eyebrows. The condition is caused by mutations affecting the MEF2C gene and deletions in the q14.3 region of chromosome 5.
Signs and symptoms of celiac disease vary from person to person because of numerous factors, including - the length of time a person was breastfed as an infant; some studies have shown that the longer an infant was breastfed, the later the symptoms of celiac disease appear - the age a person started eating gluten - the amount of gluten a person eats - agesymptoms can vary between young children and adults - the degree of damage to the small intestine Some people with celiac disease have no signs or symptoms; however, they can still develop complications of the disease over time. Long-term complications include - malnutrition - liver diseases - intestinal cancer - lymphoma
This condition is inherited in an autosomal recessive pattern, which means both copies of the gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition.
Is genetic testing available for Mondini dysplasia? Genetic testing may be available for Mondini dysplasia if it is associated with a specific syndrome for which genetic testing is available, or if a mutation has previously been identified in an affected individual in the family. Unfortunately, for many cases of isolated Mondini dysplasia, there is no clinical genetic testing available. GeneTests lists the names of laboratories that are performing genetic testing for many conditions that may be associated with Mondini dysplasia. Please note that most of the laboratories listed through GeneTests do not accept direct contact from patients and their families; therefore, if you are interested in learning more, you will need to work with a health care provider or a genetics professional.
Schinzel-Giedion syndrome results from new mutations in the SETBP1 gene and occurs in people with no history of the disorder in their family. One copy of the altered gene in each cell is sufficient to cause the disorder.
Behcet's disease is a lifelong disorder that comes and goes. Permanent remission of symptoms has not been reported.
How might primary melanoma of the small intestine be treated? Treatment of primary melanoma of the small intestine often involves the surgical resection of the tumor. We encourage you to speak with your healthcare provider to learn more about your surgical and other treatment options.
This condition is inherited in an autosomal recessive pattern, which means both copies of the gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition.
This condition is inherited in an autosomal recessive pattern, which means both copies of the gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition.
A giant congenital nevus is a dark-colored, often hairy patch of skin that is present at birth (congenital). It grows proportionally to the child. A congenital pigmented nevus is considered giant if by adulthood it is larger than 20cm (about 8 inches) in diameter. Giant congenital nevi can occur in people of any racial or ethnic background and on any area of the body. They result from localized genetic changes in the fetus that lead to excessive growth of melanocytes, the cells in the skin that are responsible for skin color. People with giant congenital nevi may experience a number of complications ranging from fragile, dry, or itchy skin to neurological problems like neurocutaneous melanocytosis (excess pigment cells in the brain or spinal cord). They also have an increased risk of developing malignant melanoma, a type of skin cancer.
Signs of ovarian germ cell tumor are swelling of the abdomen or vaginal bleeding after menopause. Ovarian germ cell tumors can be hard to diagnose (find) early. Often there are no symptoms in the early stages, but tumors may be found during regular gynecologic exams (checkups). Check with your doctor if you have either of the following: - Swollen abdomen without weight gain in other parts of the body. - Bleeding from the vagina after menopause (when you are no longer having menstrual periods).
Treatment for individuals with whiplash may include pain medications, nonsteroidal anti-inflammatory drugs, antidepressants, muscle relaxants, and a cervical collar (usually worn for 2 to 3 weeks). Range of motion exercises, physical therapy, and cervical traction may also be prescribed. Supplemental heat application may relieve muscle tension.
Rh incompatibility doesn't cause signs or symptoms in a pregnant woman. In a baby, the condition can lead to hemolytic anemia. Hemolytic anemia is a condition in which red blood cells are destroyed faster than the body can replace them. Red blood cells contain hemoglobin (HEE-muh-glow-bin), an iron-rich protein that carries oxygen to the body. Without enough red blood cells and hemoglobin, the baby won't get enough oxygen. Hemolytic anemia can cause mild to severe signs and symptoms in a newborn, such as jaundice and a buildup of fluid. Jaundice is a yellowish color of the skin and whites of the eyes. When red blood cells die, they release hemoglobin into the blood. The hemoglobin is broken down into a compound called bilirubin. This compound gives the skin and eyes a yellowish color. High levels of bilirubin can lead to brain damage in the baby. The buildup of fluid is a result of heart failure. Without enough hemoglobin-carrying red blood cells, the baby's heart has to work harder to move oxygen-rich blood through the body. This stress can lead to heart failure. Heart failure can cause fluid to build up in many parts of the body. When this occurs in a fetus or newborn, the condition is called hydrops fetalis (HI-drops fe-TAL-is). Severe hemolytic anemia can be fatal to a newborn at the time of birth or shortly after.
How is Pelizaeus-Merzbacher disease inherited?
Mutations in the ST3GAL5 gene have been found to cause GM3 synthase deficiency. This gene provides instructions for making an enzyme called GM3 synthase, which carries out a chemical reaction that is the first step in the production of molecules called gangliosides. These molecules are present in cells and tissues throughout the body, and they are particularly abundant in the nervous system. Although their exact functions are unclear, gangliosides appear to be important for normal brain development and function. ST3GAL5 gene mutations prevent the production of any functional GM3 synthase. Without this enzyme, cells cannot produce gangliosides normally. It is unclear how a loss of this enzyme leads to the signs and symptoms of GM3 synthase deficiency. Researchers are working to determine whether it is the lack of gangliosides or a buildup of compounds used to make gangliosides, or both, that underlies the seizures and other problems with brain development that occur in this condition. The connection between a shortage of GM3 synthase and changes in skin pigmentation is also unknown.
Approximately half of severely head-injured patients will need surgery to remove or repair hematomas (ruptured blood vessels) or contusions (bruised brain tissue). Disabilities resulting from a TBI depend upon the severity of the injury, the location of the injury, and the age and general health of the individual. Some common disabilities include problems with cognition (thinking, memory, and reasoning), sensory processing (sight, hearing, touch, taste, and smell), communication (expression and understanding), and behavior or mental health (depression, anxiety, personality changes, aggression, acting out, and social inappropriateness). More serious head injuries may result in stupor, an unresponsive state, but one in which an individual can be aroused briefly by a strong stimulus, such as sharp pain; coma, a state in which an individual is totally unconscious, unresponsive, unaware, and unarousable; vegetative state, in which an individual is unconscious and unaware of his or her surroundings, but continues to have a sleep-wake cycle and periods of alertness; and a persistent vegetative state (PVS), in which an individual stays in a vegetative state for more than a month.
Mutations in the ABCD1 gene cause X-linked adrenoleukodystrophy. The ABCD1 gene provides instructions for producing the adrenoleukodystrophy protein (ALDP), which is involved in transporting certain fat molecules called very long-chain fatty acids (VLCFAs) into peroxisomes. Peroxisomes are small sacs within cells that process many types of molecules, including VLCFAs. ABCD1 gene mutations result in a shortage (deficiency) of ALDP. When this protein is lacking, the transport and subsequent breakdown of VLCFAs is disrupted, causing abnormally high levels of these fats in the body. The accumulation of VLCFAs may be toxic to the adrenal cortex and myelin. Research suggests that the accumulation of VLCFAs triggers an inflammatory response in the brain, which could lead to the breakdown of myelin. The destruction of these tissues leads to the signs and symptoms of X-linked adrenoleukodystrophy.
How is progressive bulbar palsy treated? Treatments aim to help people cope with the symptoms of progressive bulbar palsy, such as feeding tubes, devices to help with talking, and medicines to treat muscle spasms, weakness, drooling, sleep problems, pain, and depression. The Robert Packard Center for ALS Research at John Hopkins offers further general information on treatment: http://www.alscenter.org/living_with_als/treatment.html The Mayo Clinic provides information on treatment of ALS in general, which may be helpful: http://www.mayoclinic.org/diseases-conditions/amyotrophic-lateral-sclerosis/basics/treatment/con-20024397 If you are interested in learning about clinical trials, we recommend that you call the Patient Recruitment and Public Liaison (PRPL) Office at the National Institutes of Health (NIH) at 1-800-411-1222. Organizations, such as the ALS Association and Muscular Dystrophy Association are great sources for information on clinical trial opportunities and research. You can find information about participating in a clinical trial as well as learn about resources for travel and lodging assistance, through the Get Involved in Research section of our Web site.
When the cancer spreads from its original tumor location in the skin to another part of the body such as the brain, it is called metastatic skin cancer. It is not the same as a cancer that started in the brain (brain cancer). Doctors sometimes call this "distant" disease.
Mutations in the BCOR gene cause OFCD syndrome. The BCOR gene provides instructions for making a protein called the BCL6 corepressor. This protein helps regulate the activity of other genes. Little is known about the protein's function, although it appears to play an important role in early embryonic development. Several mutations in the BCOR gene have been found in people with OFCD syndrome. These mutations prevent the production of any functional protein from the altered gene, which disrupts the normal development of the eyes and several other organs and tissues before birth.
Buschke Lowenstein tumor is a tumor that most commonly occurs near the penis or anus. This tumor often looks like a large genital wart; it tends to grow slowly, but can sometimes grow very large and spread into surrounding tissues. These tumors rarely spread to other parts of the body. Treatment of these tumors begins with removal by surgery. Chemotherapy and radiation therapy have also been shown to be effective treatments for this tumor type.
What are the signs and symptoms of renal nutcracker syndrome? The signs and symptoms of renal nutcracker syndrome and the disease severity can vary from person to person. Some affected people may be asymptomatic while others have severe and persistent symptoms. Symptoms are often aggravated by physical activity. When present, symptoms of the condition may include blood in the urine (hematuria), orthostatic proteinuria, flank pain and/or abdominal pain. Some people may also experience orthostatic intolerance, which is characterized by symptoms such as light-headedness, palpitations, poor concentration, fatigue, nausea, dizziness, headache, sweating, weakness and occasionally fainting when upright standing. Men who are affected by renal nutcracker syndrome may develop a varicocele. Affected women may have gynecological symptoms such as dyspareunia and dysmenorrhea (painful periods).
Arts syndrome is a disorder that causes serious neurological problems in males. Females can also be affected by this condition, but they typically have much milder symptoms. Boys with Arts syndrome have profound sensorineural hearing loss, which is a complete or almost complete loss of hearing caused by abnormalities in the inner ear. Other features of the disorder include weak muscle tone (hypotonia), impaired muscle coordination (ataxia), developmental delay, and intellectual disability. In early childhood, affected boys develop vision loss caused by degeneration of nerves that carry information from the eyes to the brain (optic nerve atrophy). They also experience loss of sensation and weakness in the limbs (peripheral neuropathy). Boys with Arts syndrome also usually have recurrent infections, especially involving the respiratory system. Because of these infections and their complications, affected boys often do not survive past early childhood. In females with Arts syndrome, hearing loss that begins in adulthood may be the only symptom.
Exstrophy-epispadias complex (EEC) comprises a spectrum of congenital abnormalities that includes epispadias, classical bladder exstrophy and exstrophy of the cloaca and several variants. EEC is characterized by a visible defect of the lower abdominal wall and other problems. The defect occurs due to a rupture of a fetal tissue known as the cloacal membrane during the first trimester of pregnancy. This results in the abnormal development of the abdominal wall of the fetus. The exact timing of the rupture determines whether the child is born with isolated epispadias, classic bladder exstrophy or cloacal exstrophy. Therefore, depending on severity, EEC may involve the urinary system, musculoskeletal system, pelvis, pelvic floor, abdominal wall, genitalia, and sometimes the spine and anus. There is no known cause for this condition. Treatment may involve several surgeries to repair the abdominal wall and any associated malformation. The University of Michigan has a webpage about the development of the embryo and its parts, including the formation of the cloaca.
Autoimmune autonomic ganglionopathy (AAG) is rare autoimmune disorder in which the body's immune system mistakenly attacks and damages certain parts of the autonomic nervous system. Signs and symptoms of the condition vary but may include severe orthostatic hypotension (low blood pressure upon standing); fainting; constipation; fixed and dilated pupils; urinary retention; and/or dry mouth and eyes. The exact underlying cause of AAG is poorly understood. Treatment depends on many factors including the severity of the condition and the signs and symptoms present in each person. Due to the rarity of AAG, there are no standard treatment protocols; however, treatment with plasmapheresis, intravenous (IV) immunoglobulin, corticosteroids or immunosuppressive drugs has been reported with variable success. Approximately one third of affected people may improve spontaneously without treatment, but the recovery is often incomplete.
Biotin-thiamine-responsive basal ganglia disease is caused by mutations in the SLC19A3 gene. This gene provides instructions for making a protein called a thiamine transporter, which moves thiamine into cells. Thiamine, also known as vitamin B1, is obtained from the diet and is necessary for proper functioning of the nervous system. Mutations in the SLC19A3 gene likely result in a protein with impaired ability to transport thiamine into cells, resulting in decreased absorption of the vitamin and leading to neurological dysfunction. In this disorder, abnormalities affect several parts of the brain. Using medical imaging, generalized swelling as well as specific areas of damage (lesions) in the brain can often be seen, including in the basal ganglia. The relationship between these specific brain abnormalities and the abnormal thiamine transporter is unknown. It is unclear how biotin is related to this disorder. Some researchers suggest that the excess biotin given along with thiamine as treatment for the disorder may increase the amount of thiamine transporter that is produced, partially compensating for the impaired efficiency of the abnormal protein. Others propose that biotin transporter proteins may interact with thiamine transporters in such a way that biotin levels influence the course of the disease.
What are the signs and symptoms of Saccharopinuria? The Human Phenotype Ontology provides the following list of signs and symptoms for Saccharopinuria. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the MedlinePlus Medical Dictionary to look up the definitions for these medical terms. Signs and Symptoms Approximate number of patients (when available) Autosomal recessive inheritance - EEG abnormality - Histidinuria - Hyperlysinuria - Intellectual disability - Short stature - Spastic diplegia - The Human Phenotype Ontology (HPO) has collected information on how often a sign or symptom occurs in a condition. Much of this information comes from Orphanet, a European rare disease database. The frequency of a sign or symptom is usually listed as a rough estimate of the percentage of patients who have that feature. The frequency may also be listed as a fraction. The first number of the fraction is how many people had the symptom, and the second number is the total number of people who were examined in one study. For example, a frequency of 25/25 means that in a study of 25 people all patients were found to have that symptom. Because these frequencies are based on a specific study, the fractions may be different if another group of patients are examined. Sometimes, no information on frequency is available. In these cases, the sign or symptom may be rare or common.
Mutations in the ITGB2 gene cause leukocyte adhesion deficiency type 1. This gene provides instructions for making one part (the 2 subunit) of at least four different proteins known as 2 integrins. Integrins that contain the 2 subunit are found embedded in the membrane that surrounds white blood cells (leukocytes). These integrins help leukocytes gather at sites of infection or injury, where they contribute to the immune response. 2 integrins recognize signs of inflammation and attach (bind) to proteins called ligands on the lining of blood vessels. This binding leads to linkage (adhesion) of the leukocyte to the blood vessel wall. Signaling through the 2 integrins triggers the transport of the attached leukocyte across the blood vessel wall to the site of infection or injury. ITGB2 gene mutations that cause leukocyte adhesion deficiency type 1 lead to the production of a 2 subunit that cannot bind with other subunits to form 2 integrins. Leukocytes that lack these integrins cannot attach to the blood vessel wall or cross the vessel wall to contribute to the immune response. As a result, there is a decreased response to injury and foreign invaders, such as bacteria and fungi, resulting in frequent infections, delayed wound healing, and other signs and symptoms of this condition.
These resources address the diagnosis or management of BPES: - Gene Review: Gene Review: Blepharophimosis, Ptosis, and Epicanthus Inversus - Genetic Testing Registry: Blepharophimosis, ptosis, and epicanthus inversus - MedlinePlus Encyclopedia: Ptosis These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Drug Therapy - Surgery and Rehabilitation - Genetic Counseling - Palliative Care
Are there new therapies for treatment of pili torti? In acquired pili torti, treatment involves stopping the exposure to the causative agent (e.g., to oral retinoids) or condition (e.g., improving diet). There is no specific treatment for the inherited form of pili torti. It may improve spontaneously after puberty. If pili torti is detected, further evaluation to investigate possible neurological disorders, problems with hair, teeth or nails (ectodermal disturbances) and hearing loss is mandatory. It is generally recommended that people with pili torti try to avoid trauma to the hair. Suggestions include, sleeping on a satin pillowcase, avoiding excessive grooming, braiding, heat treatments, dying and coloring, reducing exposure to sunlight (wear a hat), using gentle shampoos diluted in warm water, adding conditioner to freshly washed hair, avoiding use of a hair dryer (or using it on cool setting), and avoiding oral retinoids (e.g., isotretinoin, acitretin) if possible. Some individuals with pili torti choose to wear a wig.
What causes pyridoxine-dependent epilepsy? Mutations in the ALDH7A1 gene cause pyridoxine-dependent epilepsy. This condition is inherited in an autosomal recessive pattern, which means both copies of the gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition. The ALDH7A1 gene provides instructions for making an enzyme called -aminoadipic semialdehyde (-AASA) dehydrogenase, also known as antiquitin. This enzyme is involved in the breakdown of the protein building block (amino acid) lysine in the brain. When antiquitin is deficient, a molecule that interferes with vitamin B6 function builds up in various tissues. Pyridoxine plays a role in many processes in the body, such as the breakdown of amino acids and the productions of chemicals that transmit signals in the brain (neurotransmitters). It is unclear how a lack of pyridoxine causes the seizures that are characteristic of this condition. Some individuals with pyridoxine-dependent epilepsy do not have identified mutations in the ALDH7A1 gene. In these cases, the cause of the condition is unknown.
Craniofacial-deafness-hand syndrome is an extremely rare condition. Only a few cases have been reported in the scientific literature.
Summary : A normal pregnancy lasts nine months. Each three-month period of pregnancy is called a trimester. During each trimester, the fetus grows and develops. There are specific prenatal tests to monitor both the mother's health and fetal health during each trimester. With modern technology, health professionals can - Detect birth defects - Identify problems that may affect childbirth - Correct some kinds of fetal problems before the baby is born
Infantile Refsum disease is the mildest of a group of disorders known as peroxisome biogenesis disorders, Zellweger syndrome spectrum (PBD-ZSS). PBD-ZSS is a group of inherited genetic disorders that damage the white matter of the brain and affect motor movements. Peroxisome biogenesis disorders, in turn, are part of a larger group of disorders called leukodystrophies. IRD can cause low muscle tone (hypotonia), retinitis pigmentosa (a visual impairment that can lead to blindness), developmental delay, sensorineural hearing loss, and liver dysfunction. IRD usually presents at birth or in infancy. Most individuals with IRD can achieve motor milestones, though they may be delayed, and most individuals can communicate with a few words or signs. Leukodystrophy with loss of acquired skills can occur at any age and may stabilize or progress. Peroxisome biogenesis disorders are caused by mutations in one of the PEX genes and are inherited in an autosomal recessive manner. Life expectancy, medical complications, and the degree of neurological impairment can vary. Survival into adulthood is possible. Adult Refsum disease and infantile refsum disease are separate disorders caused by different genetic defects.
Prader-Willi syndrome (PWS) is a genetic condition that affects many parts of the body. Infants with PWS have severe hypotonia (low muscle tone), feeding difficulties, and slow growth. In later infancy or early childhood, affected children typically begin to eat excessively and become obese. Other signs and symptoms often include short stature, hypogonadism, developmental delays, cognitive impairment, and distinctive behavioral characteristics such as temper tantrums, stubbornness, and obsessive-compulsive tendencies. PWS is caused by missing or non-working genes on chromosome 15. Most cases are not inherited and occur randomly. Rarely, a genetic change responsible for PWS can be inherited. Management of PWS generally depends on the affected person's age and symptoms.
How might Froelich syndrome be diagnosed? Diagnosis of Froelich syndrome may be difficult and requires cautious and thoughtful clinical examination, testing urine for low levels of pituitary hormones, and likely other additional tests before a definitive diagnosis of Froehlich syndrome can be made.
If you get very sick or badly hurt and need help right away, you should use emergency medical services. These services use specially trained people and specially equipped facilities. You may need care in the hospital emergency room (ER). Doctors and nurses there treat emergencies, such as heart attacks and injuries. For some emergencies, you need help where you are. Emergency medical technicians, or EMTs, do specific rescue jobs. They answer emergency calls and give basic medical care. Some EMTs are paramedics - they have training to do medical procedures on site. They usually take you to the ER for more care. If you or someone you know needs emergency care, go to your hospital's emergency room. If you think the problem is life threatening, call 9-1-1.
Cowden syndrome is an inherited condition that is characterized primarily by multiple, noncancerous growths (called hamartomas) on various parts of the body. It is considered part of the PTEN Hamartoma Tumor Syndrome spectrum which also includes Bannayan-Riley-Ruvalcaba syndrome and Proteus syndrome. People affected by Cowden syndrome are also at an increased risk of developing certain types of cancer, such as breast, thyroid and endometrial (lining of the uterus) cancer. Most cases are caused by changes (mutations) in the PTEN gene and are inherited in an autosomal dominant manner. Management typically includes high-risk screening for associated tumors and/or prophylactic surgeries.
These resources address the diagnosis or management of Ollier disease: - Genetic Testing Registry: Enchondromatosis These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Drug Therapy - Surgery and Rehabilitation - Genetic Counseling - Palliative Care
Carpal tunnel syndrome (CTS) occurs when the median nerve, which runs from the forearm into the palm of the hand, becomes pressed or squeezed at the wrist. The carpal tunnel is a narrow, rigid passageway of ligament and bones at the base of the hand that houses the median nerve and the tendons that bend the fingers. The median nerve provides feeling to the palm side of the thumb and to most of the fingers. Symptoms usually start gradually, with numbness, tingling, weakness, and sometimes pain in the hand and wrist. People might have difficulty with tasks such as driving or reading a book. Decreased hand strength may make it difficult to grasp small objects or perform other manual tasks. In some cases no direct cause of the syndrome can be identified. Contributing factors include trauma or injury to the wrist that causes swelling, thyroid disease, rheumatoid arthritis, and fluid retention during pregnancy. Women are three times more likely than men to develop carpal tunnel syndrome. The disorder usually occurs only in adults.
Many babies with kidney dysplasia in only one kidney have no signs of the condition. In some cases, the affected kidney may be enlarged at birth and may cause pain.
Mutations in the NF1 gene cause neurofibromatosis type 1. The NF1 gene provides instructions for making a protein called neurofibromin. This protein is produced in many cells, including nerve cells and specialized cells surrounding nerves (oligodendrocytes and Schwann cells). Neurofibromin acts as a tumor suppressor, which means that it keeps cells from growing and dividing too rapidly or in an uncontrolled way. Mutations in the NF1 gene lead to the production of a nonfunctional version of neurofibromin that cannot regulate cell growth and division. As a result, tumors such as neurofibromas can form along nerves throughout the body. It is unclear how mutations in the NF1 gene lead to the other features of neurofibromatosis type 1, such as caf-au-lait spots and learning disabilities.
How might pulmonary arterial hypertension be treated? People with pulmonary arterial hypertension (PAH) benefit from receiving treatment at specialized centers. The Pulmonary Hypertension Association offers a Find a Doctor tool which may aid you in locating your nearest center. Treatment of serious or life threatening PAH may involve continuous IV epoprostenol. Other treatment options, include treprostinil, iloprost, bosentan, ambrisentan, sildenafil, and tadalafil. Many of these treatments can be administered in various forms, such as by shot, IV, or inhalation. A small number of people with PAH respond well to long term oral calcium channel blockers. Blood thinners, diuretics, and supplemental oxygen may be prescribed as needed. Many drugs can be harmful to people with PAH. The following should be avoided: appetite suppressants, cocaine, amphetamines (and related compounds), low oxygen environments (such as high altitudes), and possibly estrogen compounds (oral contraceptives and hormone replacement therapy).
Mental disorders include a wide range of problems, including - Anxiety disorders, including panic disorder, obsessive-compulsive disorder, post-traumatic stress disorder, and phobias - Bipolar disorder - Depression - Mood disorders - Personality disorders - Psychotic disorders, including schizophrenia There are many causes of mental disorders. Your genes and family history may play a role. Your life experiences, such as stress or a history of abuse, may also matter. Biological factors can also be part of the cause. A traumatic brain injury can lead to a mental disorder. A mother's exposure to viruses or toxic chemicals while pregnant may play a part. Other factors may increase your risk, such as use of illegal drugs or having a serious medical condition like cancer. Medications and counseling can help many mental disorders.