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X-linked Charcot-Marie-Tooth disease type 5 (CMTX5) is a neurological condition characterized by peripheral neuropathy, early-onset bilateral profound sensorineural hearing loss, and optic neuropathy leading to visual impairment. Peripheral neuropathy often begins with the lower extremities during childhood with foot d...
What are the signs and symptoms of Abdominal aortic aneurysm? The Human Phenotype Ontology provides the following list of signs and symptoms for Abdominal aortic aneurysm. 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 M...
The prognosis for individuals with Alpers' disease is poor. Those with the disease usually die within their first decade of life. Continuous, unrelenting seizures often lead to death. Liver failure and cardiorespiratory failure due to brain, spinal cord, and nerve involvement may also occur.
Chronic granulomatous disease is estimated to occur in 1 in 200,000 to 250,000 people worldwide.
The most common form of homocystinuria affects at least 1 in 200,000 to 335,000 people worldwide. The disorder appears to be more common in some countries, such as Ireland (1 in 65,000), Germany (1 in 17,800), Norway (1 in 6,400), and Qatar (1 in 1,800). The rarer forms of homocystinuria each have a small number of cas...
This condition is inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder. Although a mutation in one copy of the gene can cause the disorder, people with mutations in both copies of the gene have more severe signs and symptoms.
Neurofibromatosis type 1 occurs in 1 in 3,000 to 4,000 people worldwide.
Shingles is very common. Fifty percent of all Americans will have had shingles by the time they are 80. While shingles occurs in people of all ages, it is most common in 60-to 80-year-olds. In fact, one out of every three people 60 years or older will get shingles.
These resources address the diagnosis or management of ALSP: - Gene Review: Gene Review: Adult-Onset Leukoencephalopathy with Axonal Spheroids and Pigmented Glia - Genetic Testing Registry: Hereditary diffuse leukoencephalopathy with spheroids - MedlinePlus Encyclopedia: Dementia These resources from MedlinePlus o...
X-linked agammaglobulinema is a primary immunodeficiency characterized by very low levels of immunoglobulins (proteins made by the immune system to help fight infections). People affected by this condition generally begin developing frequent and recurrent bacterial infections from about 6 months of age. Commonly diagno...
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.
Tourette syndrome is a complex disorder characterized by repetitive, sudden, and involuntary movements or noises called tics. Tics usually appear in childhood, and their severity varies over time. In most cases, tics become milder and less frequent in late adolescence and adulthood. Tourette syndrome involves both mot...
What are the symptoms of polymyositis? Polymyositis is characterized by chronic muscle inflammation and weakness involving the skeletal muscles (those involved with making movement) on both sides of the body. Weakness generally starts in the proximal muscles which can eventually cause difficulties climbing stairs, risi...
People who have P.A.D. may have symptoms when walking or climbing stairs. These may include pain, numbness, aching, or heaviness in the leg muscles. Symptoms may also include cramping in the affected leg(s) and in the buttocks, thighs, calves, and feet. Some possible signs of P.A.D. include - weak or absent pulses in t...
Symptoms usually begin in young adulthood, with symptoms of one form usually beginning between the ages of 25 and 40. If not treated surgically (when needed), syringomyelia often leads to progressive weakness in the arms and legs, loss of hand sensation, and chronic, severe pain. Symptoms may worsen with straining or a...
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.
Corns and calluses are caused by pressure or friction on your skin. They often appear on feet where the bony parts of your feet rub against your shoes. Corns usually appear on the tops or sides of toes while calluses form on the soles of feet. Calluses also can appear on hands or other areas that are rubbed or pressed....
Is uncombable hair syndrome inherited? Uncombable hair syndrome (UHS) is thought to be inherited in an autosomal dominant manner with reduced penetrance. Autosomal dominant means that having a change (mutation) in only one copy of the responsible gene in each cell is enough to cause features of the condition. When a pe...
Urinary tract infections affect about 3 percent of children in the United States every year. UTIs account for more than 1 million visits to pediatricians offices every year.1
The most common signs and symptoms of heart failure are: Shortness of breath or trouble breathing Fatigue (tiredness) Swelling in the ankles, feet, legs, abdomen, and veins in the neck All of these symptoms are the result of fluid buildup in your body....
Improved emergency care for people with spinal cord injuries and aggressive treatment and rehabilitation can minimize damage to the nervous system and even restore limited abilities. Respiratory complications are often an indication of the severity of spinal cord injury About one-third of those with injury to the neck ...
- Hypothyroidism is a disorder that occurs when the thyroid gland does not make enough thyroid hormone to meet the bodys needs. Thyroid hormone regulates metabolism. Without enough thyroid hormone, many of the bodys functions slow down. - Hypothyroidism has several causes, including - Hashimotos disease - thyr...
Key Points - Prostate cancer is a disease in which malignant (cancer) cells form in the tissues of the prostate. - Signs of prostate cancer include a weak flow of urine or frequent urination. - Tests that examine the prostate and blood are used to detect (find) and diagnose prostate cancer. ...
This condition is inherited in an autosomal recessive pattern, which means both copies of the PGAM2 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. However, p...
Healthy people (nonpregnant) Most healthy people recover from toxoplasmosis without treatment. Persons who are ill can be treated with a combination of drugs such as pyrimethamine and sulfadiazine, plus folinic acid. Pregnant women, newborns, and infants Pregnant women, newborns, and infants ca...
The prostate is a gland in men. It helps make semen, the fluid that contains sperm. The prostate surrounds the tube that carries urine out of the body. As men age, their prostate grows bigger. If it gets too large, it can cause problems. An enlarged prostate is also called benign prostatic hyperplasia (BPH). Most men w...
The first lung-related symptoms of alpha-1 antitrypsin (AAT) deficiency may include shortness of breath, less ability to be physically active, and wheezing. These signs and symptoms most often begin between the ages of 20 and 40. Other signs and symptoms may include repeated lung infections, tiredness,...
Healthy lifestyle habits, proper use of medicines, and regular medical care can prevent high blood pressure or its complications. Preventing High Blood Pressure Onset Healthy lifestyle habits can help prevent high blood pressure from developing. It is important to check your blood pres...
The gene for Canavan disease has been located. Many laboratories offer prenatal screening for this disorder to populations at risk. Scientists have developed animal models for this disease and are using the models to test potential therapeutic strategies. Three strategies are currently under investigation: gene transfe...
The main goal of treatment is to thin the blood to reduce clotting. At present, the recommended treatment is low-dose aspirin. For individuals who have already had a stroke or experience recurrent clots, doctors recommend treatment with the anticoagulant warfarin. Pregnant women are treated with either aspirin or anoth...
Factor V deficiency affects an estimated 1 in 1 million people. This condition is more common in countries such as Iran and southern India, where it occurs up to ten times more frequently than in western countries.
After an incubation period of 3-8 days, the symptoms of OHF begin suddenly with chills, fever, headache, and severe muscle pain with vomiting, gastrointestinal symptoms and bleeding problems occurring 3-4 days after initial symptom onset. Patients may experience abnormally low blood pressure and low platelet, red blood...
Diabetes and high blood pressure are the two leading risk factors for kidney disease. Both diabetes and high blood pressure damage the small blood vessels in your kidneys and can cause kidney disease -- without you feeling it. There are several other risk factors for kidney disease. Cardiovascular (heart) disease is a...
When development of a chordoma is associated with a duplication of the T gene inherited from a parent, one copy of the altered gene in each cell is sufficient to increase the risk of the disorder, which is an inheritance pattern called autosomal dominant. People with this duplication inherit an increased risk of this c...
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.
If you have ever had athlete's foot or a yeast infection, you can blame a fungus. A fungus is a primitive organism. Mushrooms, mold and mildew are examples. Fungi live in air, in soil, on plants and in water. Some live in the human body. Only about half of all types of fungi are harmful. Some fungi reproduce through...
These resources address the diagnosis or management of PLOSL: - Gene Review: Gene Review: Polycystic Lipomembranous Osteodysplasia with Sclerosing Leukoencephalopathy (PLOSL) - Genetic Testing Registry: Polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy - MedlinePlus Encyclopedia: Dementia ...
Multifocal choroiditis (MFC) is an inflammatory disorder characterized by swelling of the eye (called uveitis) and multiple lesions in the choroid, a layer of blood vessels between the white of the eye and the retina. Symptoms include blurry vision, floaters, sensitivity to light, blind spots and mild eye discomfort. T...
About 90 percent of RAS is caused by atherosclerosisclogging, narrowing, and hardening of the renal arteries.2 In these cases, RAS develops when plaquea sticky substance made up of fat, cholesterol, calcium, and other material found in the bloodbuilds up on the inner wall of one or both renal arteries. Plaque buildup i...
What causes Klippel Feil syndrome (KFS)? The specific underlying causes and mechanisms of Klippel Feil syndrome (KFS)are not well understood. In general medical researchers believe KFS happens when the tissue of the embroyo that normally develops into separate vertebrae does not divide correctly. More specifically, ...
The disorder may cause progressive, permanent visual loss in some patients. In some cases, pseudotumor cerebri recurs.
Treatment for Klippel-Feil Syndrome is symptomatic and may include surgery to relieve cervical or craniocervical instability and constriction of the spinal cord, and to correct scoliosis. Physical therapy may also be useful.
Auriculo-condylar syndrome appears to be a rare disorder. More than two dozen affected individuals have been described in the medical literature.
What are the signs and symptoms of Congenital alopecia X-linked? The Human Phenotype Ontology provides the following list of signs and symptoms for Congenital alopecia X-linked. If the information is available, the table below includes how often the symptom is seen in people with this condition. You can use the Medline...
NBCIE is estimated to affect 1 in 200,000 to 300,000 individuals in the United States. This condition is more common in Norway, where an estimated 1 in 90,000 people are affected.
While AI/ACD can affect people at any age, older adults are especially at risk because they have the highest rates of chronic disease. AI/ACD is also common among hospitalized patients, particularly those with chronic illnesses. More than 130 million Americans live with at least one chronic illness.2 A...
You usually can't prevent acute pericarditis. You can take steps to reduce your chance of having another acute episode, having complications, or getting chronic pericarditis. These steps include getting prompt treatment, following your treatment plan, and having ongoing medical care (as your doctor adv...
Heart failure is caused by other diseases and conditions that damage the heart muscle. It is most commonly caused by coronary artery disease, including heart attack. Diabetes and high blood pressure also contribute to heart failure risk. People who have had a heart attack are at high risk of developing heart failure.
The prognosis for an individual with hemifacial spasm depends on the treatment and their response. Some individuals will become relatively free from symptoms with injection therapy. Some may require surgery. In most cases, a balance can be achieved, with tolerable residual symptoms.
Hemodialysis is a treatment for kidney failure that is done in a center several times per week. Some people learn to do hemodialysis in their homes. Hemodialysis uses a machine to filter your blood when your kidneys are too sick to filter any more. With hemodialysis, your blood is filtered outside of your body. Unfilte...
Summary : Marijuana is a green, brown, or gray mix of dried, crumbled parts from the marijuana plant. It can be rolled up and smoked like a cigarette or cigar or smoked in a pipe. Sometimes people mix it in food or inhale it using a vaporizer. Marijuana can cause problems with memory, learning, and behavior. Smoking...
Mutations in the GBE1 gene cause adult polyglucosan body disease. The GBE1 gene provides instructions for making the glycogen branching enzyme. This enzyme is involved in the production of a complex sugar called glycogen, which is a major source of stored energy in the body. Most GBE1 gene mutations result in a shortag...
These resources address the diagnosis or management of Opitz G/BBB syndrome: - Gene Review: Gene Review: 22q11.2 Deletion Syndrome - Gene Review: Gene Review: X-Linked Opitz G/BBB Syndrome - Genetic Testing Registry: Opitz G/BBB syndrome - Genetic Testing Registry: Opitz-Frias syndrome - MedlinePlus Encyclopedia: ...
More than 20 individuals with IOSCA have been identified in Finland. A few individuals with similar symptoms have been reported elsewhere in Europe.
These resources address the diagnosis or management of deoxyguanosine kinase deficiency: - Gene Review: Gene Review: DGUOK-Related Mitochondrial DNA Depletion Syndrome, Hepatocerebral Form - Genetic Testing Registry: Mitochondrial DNA-depletion syndrome 3, hepatocerebral - MedlinePlus Encyclopedia: Hypotonia These...
Generally, treatment depends on the type of tumor, the size of the tumor, whether the tumor has invaded or pressed on surrounding structures, such as the brain and visual pathways, and the individuals age and overall health. Three types of treatment are used: surgical removal of the tumor; radiation therapy, in which h...
Spondylocarpotarsal synostosis syndrome is a rare disorder; its prevalence is unknown. At least 25 affected individuals have been identified.
Congenital afibrinogenemia is a bleeding disorder caused by impairment of the blood clotting process. Normally, blood clots protect the body after an injury by sealing off damaged blood vessels and preventing further blood loss. However, bleeding is uncontrolled in people with congenital afibrinogenemia. Newborns with ...
People who have conditions that damage the lungs or increase the risk of lung infections are at risk for bronchiectasis. Such conditions include: Cystic fibrosis. This disease leads to almost half of the cases of bronchiectasis in the United States. Immunodeficiency disorders, such as ...
These resources address the diagnosis or management of Langer-Giedion syndrome: - Genetic Testing Registry: Langer-Giedion syndrome These resources from MedlinePlus offer information about the diagnosis and management of various health conditions: - Diagnostic Tests - Drug Therapy - Surgery and Rehabilitation - ...
SAVI is caused by mutations in the TMEM173 gene. This gene provides instructions for making a protein called STING, which is involved in immune system function. STING helps produce beta-interferon, a member of a class of proteins called cytokines that promote inflammation. The TMEM173 gene mutations that cause SAVI ar...
- You have three treatment options to choose from to filter your blood. A fourth option offers care without replacing the work of the kidneys. - Hemodialysis - Peritoneal dialysis - Kidney transplantation - Conservative management - None of these treatments helps the kidneys get better. However, they a...
Diabetes is when your blood glucose, also called blood sugar, is too high. Blood glucose is the main type of sugar found in your blood and your main source of energy. Glucose comes from the food you eat and is also made in your liver and muscles. Your blood carries glucose to all of your bodys cells to use for energy. ...
The chance of developing an abnormal blood clot depends on whether a person has one or two copies of the factor V Leiden mutation in each cell. People who inherit two copies of the mutation, one from each parent, have a higher risk of developing a clot than people who inherit one copy of the mutation. Considering that ...
Scientists don't know exactly what causes prostate cancer. They cannot explain why one man gets prostate cancer and another does not. However, they have been able to identify some risk factors that are associated with the disease. A risk factor is anything that increases your chances of getting a disease.
Adrenal insufficiency is an endocrine disorder that occurs when the adrenal glands do not produce enough of certain hormones. Secondary adrenal insufficiency occurs when the pituitary gland (a pea-sized gland at the base of the brain) fails to produce enough adrenocorticotropin (ACTH), a hormone that stimulates the adr...
Snyder-Robinson syndrome is a rare condition; its prevalence is unknown. About 10 affected families have been identified worldwide.
Summary : Many people who chew tobacco or dip snuff think it's safer than smoking. But you don't have to smoke tobacco for it to be dangerous. Chewing or dipping carries risks like - Cancer of the mouth - Decay of exposed tooth roots - Pulling away of the gums from the teeth - White patches or red sor...
How might Rotor syndrome be treated? Rotor syndrome is considered a benign disorder and does not require treatment. While no adverse drug reactions have been reported in people with Rotor syndrome, a number of commonly used drugs and/or their metabolites may have serious consequences in affected people. This is because...
Leukemia is cancer of the white blood cells. White blood cells help your body fight infection. Your blood cells form in your bone marrow. In leukemia, the bone marrow produces abnormal white blood cells. These cells crowd out the healthy blood cells, making it hard for blood to do its work. In chronic lymphocytic leuke...
This condition appears to be rare; only a few affected individuals have been reported worldwide.
If your eyes dont make enough tears it can cause dry eye. Anything that changes the components of tears can cause dry eye. Many factors can lead to dry eye, including aging, medications, problems with eyelid function, disease, some types of eye surgery, environmental factors, and allergies.
Is Hashimoto's syndrome inherited? The inheritance pattern of Hashimoto's syndrome is unclear because many genetic and environmental factors appear to be involved. However, the condition can cluster in families, and having a close relative with Hashimoto's syndrome or another autoimmune disorder likely increases a pers...
Chronic intestinal pseudo-obstruction (CIPO) is a rare but serious condition characterized by repetitive episodes or continuous symptoms of bowel obstruction when no blockage exists. The most common symptoms are abdominal swelling or bloating (distention), vomiting, abdominal pain, failure to thrive, diarrhea, constipa...
The exact incidence of MPS VII is unknown, although it is estimated to occur in 1 in 250,000 newborns. It is one of the rarest types of mucopolysaccharidosis.
These resources address the diagnosis or management of ALG1-congenital disorder of glycosylation: - Gene Review: Gene Review: Congenital Disorders of N-Linked Glycosylation Pathway Overview - Genetic Testing Registry: Congenital disorder of glycosylation type 1K These resources from MedlinePlus offer information ab...
How might craniometaphyseal dysplasia be treated? Treatment consists primarily of surgery to reduce compression of cranial nerves and the brain stem/spinal cord at the level of the foramen magnum. Severely overgrown facial bones can be contoured; however, surgical procedures can be technically difficult and bone regrow...
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.
Polymyositis is a type of inflammatory myopathy, which refers to a group of muscle diseases characterized by chronic muscle inflammation and weakness. It involves skeletal muscles (those involved with making movement) on both sides of the body. Although it can affect people of all ages, most cases are seen in adults be...
Coloboma arises from abnormal development of the eye. During the second month of development before birth, a seam called the optic fissure (also known as the choroidal fissure or embryonic fissure) closes to form the structures of the eye. When the optic fissure does not close completely, the result is a coloboma. The ...
Mucolipidosis type 4 is a metabolic condition that affects the body's ability to process certain carbohydrates and fats. As a result, these materials accumulate in cells leading to the various signs and symptoms of the condition. Most people with mucolipidosis type 4 develop severe psychomotor (mental and motor skills)...
Tendons are flexible bands of tissue that connect muscles to bones. They help your muscles move your bones. Tendinitis is the severe swelling of a tendon. Tendinitis usually happens after repeated injury to an area such as the wrist or ankle. It causes pain and soreness around a joint. Some common forms of tendiniti...
Erdheim-Chester disease is a rare condition that can affect many different organs of the body. This condition, which usually affects adults, is characterized by excessive production and accumulation of histiocytes (specific cells that normally play a role in responding to infection and injury) within multiple tissues a...
Purine nucleoside phosphorylase deficiency is rare; only about 70 affected individuals have been identified. This disorder accounts for approximately 4 percent of all SCID cases.
These resources address the diagnosis or management of microcephaly-capillary malformation syndrome: - Gene Review: Gene Review: Microcephaly-Capillary Malformation Syndrome - Genetic Testing Registry: Microcephaly-capillary malformation syndrome These resources from MedlinePlus offer information about the diagnosi...
Filippi syndrome is an extremely rare genetic condition characterized by a small head (microcephaly), webbing of the fingers and toes (syndactyly), intellectual disability, growth delay, and distinctive facial features (high and broad nasal bridge, thin nostrils, small chin or micrognathia, and a high frontal hairline)...
Stickler syndrome is a group of hereditary connective tissue disorders characterized by distinctive facial features, eye abnormalities, hearing loss, and joint problems. The features vary widely among affected people. Stickler syndrome type 1 may be divided into 2 subgroups: the membranous vitreous type and a predomina...
Congenital diaphragmatic hernia (CDH) is the lack of development before birth of all or part of the diaphragm, which normally separates the organs in the abdomen from those in the chest cavity. It can range in severity from a thinned area in the diaphragm to its complete absence. CDH may allow the stomach and intestine...
How is Cohen syndrome treated? There is no cure for Cohen syndrome. Treatment is focused on improving or alleviating the signs and symptoms in the patient. Typically, when a person is first diagnosed with Cohen syndrome, he or she will undergo an eye and blood examination. If vision problems are detected, early correct...
Over time, affected children suffer cognitive impairment, worsening seizures, and progressive loss of sight and motor skills. Eventually, children with Batten disease become blind, bedridden, and demented. Batten disease is often fatal by the late teens or twenties.
Rheumatic fever is an inflammatory condition that may develop after infection with group A Streptococcus bacteria, such as strep throat or scarlet fever. It is primarily diagnosed in children between the ages of 6 and 16 and can affect the heart, joints, nervous system and/or skin. Early signs and symptoms include sore...
Because Y chromosome infertility impedes the ability to father children, this condition is usually caused by new deletions on the Y chromosome and occurs in men with no history of the disorder in their family. When men with Y chromosome infertility do father children, either naturally or with the aid of assisted reprod...
Olivopontocerebellar atrophy (OPCA) is a term that describes the degeneration of neurons in specific areas of the brain the cerebellum, pons, and inferior olives. OPCA is present in several neurodegenerative syndromes, including inherited and non-inherited forms of ataxia (such as the hereditary spinocerebellar ataxia...
Chromosome 4q deletion is a chromosome abnormality that affects many different parts of the body. People with this condition are missing genetic material located on the long arm (q) of chromosome 4 in each cell. The severity of the condition and the associated signs and symptoms vary based on the size and location of t...
Wolf-Hirschhorn syndrome is caused by a deletion of genetic material near the end of the short (p) arm of chromosome 4. This chromosomal change is sometimes written as 4p-. The size of the deletion varies among affected individuals; studies suggest that larger deletions tend to result in more severe intellectual disabi...
Signs and symptoms of parathyroid cancer include weakness, feeling tired, and a lump in the neck. Most parathyroid cancer signs and symptoms are caused by the hypercalcemia that develops. Signs and symptoms of hypercalcemia include the following: - Weakness. - Feeling very tired. - Nausea and vomiting. ...
Most people do not have any symptoms of hepatitis A. If symptoms of hepatitis A occur, they include - feeling tired - muscle soreness - upset stomach - fever - loss of appetite - stomach pain - diarrhea - dark-yellow urine - light-colored stools - yellowish eyes and skin, called jaundice ...
People who do not know whether they carry an abnormal hemoglobin gene can ask their doctor to have their blood tested. Couples who are planning to have children and know that they are at risk of having a child with sickle cell disease (SCD) may want to meet with a genetics counselor. A genetics counsel...
Autosomal dominant neuronal ceroid lipofuscinosis 4B is a form of adult neuronal ceroid lipofuscinosis, which is a rare condition that affects the nervous system. Signs and symptoms usually begin around age 30, but they can develop anytime between adolescence and late adulthood. Affected people generally experience beh...
This condition is inherited in an autosomal dominant pattern, which means one copy of the altered gene in each cell is sufficient to cause the disorder. In most cases, an affected person inherits the mutation from one affected parent. A small number of cases result from new mutations in the gene and occur in people wi...