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rocobrain

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Axial susceptibility weighted image of MRI brain with an arrow indicating the extra-axial collection in right frontotemporal region.
Coronal contrast CT brain showed linear hyperdense area in right high parietal lobe with gyriform enhancement along with enlargement of right choroid plexus and left frontal atrophy
T2 weighted MRI Brain – Left carotid cavernous fistula, most likely direct (type A) with enlarged drainage vessels which included the left superior ophthalmic, left sphenoparietal and inferior petrosal sinuses.
The coronal view of brain MRI with bilateral signal intensity in both thalamus
A coronal contrast-enhanced MRI of the brain demonstrating the heterogeneously enhancing left temporal lobe mass (glioblastoma multiforme) with an associated cystic component (arrow).
Brain masses at initial presentation.The initial computed tomography (CT) scan of the brain showed two brain masses, 3.8 mm and 7.3 mm in diameter.
Hairline fracture of right petrous temporal bone
Abnormal Signal in Bilateral Basal Ganglia and Brain Atrophy in an MRI from a 4-year-old boy with propionic-acidemia
Coronal image of the left temporal bone shows focal soft tissue on the cochlear promontory (white arrow) – glomus tympanicum
Skull MRI with craniofacial disproportion, increased subarachnoid space, and corpus callosum hypoplasia. The brainstem, cerebellum, and spinal cord are preserved
Postcontrast axial CT scan showing a uniformly hyperdense mass in the right high parietal region with contrast enhancing extradural tissue. There is evidence of buckling of underlying gray matter
CT scan of the brain showing a 3.5 cm sized ring-enhancing mass (arrow) in the right parietal lobe with significant mass effect and compression of the right lateral ventricle. There is significant peri-lesional oedema.
Flair axial image showing hyperintense, well-defined lesion seen in right cerebellopontine angle causing rotation of brain stem and compression of contralateral CP angle.
Brain and carotid artery magnetic resonance angiography showed that the main vessels were normal
T1 post-contrast axial MRI image of brain showing marrow signal abnormality within the clivus with an expansile mass with soft tissue component in the cavernous sinus and right cerebellar metastasis.
Plain computed tomography scan of brain, axial view showing well circumscribed, midline placed, hyperdense lesion in posterior fossa, without hydrocephalous
Bone windows from the head computed tomography (CT) reveal the osseous involvement with both osteolysis and hyperostosis of the left frontal and parietal calvaria (arrows).
SWI 7T MRI of the midbrain and the surrounding structures.CSF: cerebrospinal fluid, Pu: putamen, SN: substantia nigra, NR: Nucleus ruber, N1: Nigrosome 1.
Coupe tomodensitométrique montrant des lésions hypodenses sous corticales bilatérales en regard des cornes occipitales
Magnetic resonance imaging of the brain of 34-year-old male, diffusion-weighted axial section image showing hypointense lesion in the right half of the midbrain
Normal computer tomography of the brain
Axial T1-weighted image showing moderate atrophy in the right anterior temporal lobe in a 47.5-year-old man affected by simple virilizingCAH (patient no. 11)
Computed tomography scan at the level of the midbrain. Multiple contusions involving the left temporal lobe are evident (arrows). A = anterior; P = posterior; L = left; R = right.
MRI brain scan performed 9 months post chemotherapy. The follow-up scan indicates that the previously noted oedema and the majority of the CNS lesions have resolved.
Cranial computed tomography scan shows a mass of soft tissue (arrow) surrounding the internal jugular vein and the carotid artery at the left jugular foramen with signs of bone erosion and destruction. The lesion extends medially and causes bone destruction of the left occipital condyle and the left side edge of the clivus and erosion of the posterior edge of the oval hole. In the petrous bone it extends to the middle ear and causes erosion of the anterior wall of the tympanic cavity. The mass goes along the petrous carotid reducing its caliber and causing bone destruction of the anterior edge of the carotid canal extending to the petrous apex
A third ventricular intraventricular cerebrospinal fluid pulsation artifact (arrow) present on an axial 0.3T fluid-attenuated inversion recovery image of a 14-year-old boy with recurrent seizures. The image also shows hyperintense signal along the cortical areas of the left parietal lobe, central atrophy, and corpus callosal agenesis
Axial FLAIR with increased signal in the periventricular white matter and subcortical white matter of the occipital lobe. There is increased signal in the splenium of the corpus callosum
Symmetrical FLAIR hyperintensities in bilateral frontal and parieto-occipital white matter with involvement of U-fibers with juxta cortical focal hyperintensities
Brain CT revealed the edematous regions at the inferior section of both parietal lobes
Magnetic resonance imaging of the patient. Midsagittal view of the brain, note severe hypoplastic cerebellar vermis and dilatation of the fourth ventricle, with a posterior fossa cyst
Axial MRI of the brain showed brain metastasis. The maximum size of the brain metastasis was a tumor in the left lobe measuring 10 mm in diameter with surrounding cerebral edema.
Plain sagittal CT scan showing a completely ossified mass in the high parietal region involving both the inner and outer table of skull
Axial T1 weighted gadolinium enhanced MRI scan showing gadolinium-enhanced nodular lesion in the left temporal lobe.
MRI scan (sagittal view) was suggestive of sphenoid wing dysplasia on right side with herniation of right fronto-temporal lobe, temporal horn of right ventricle and CSF through the defect. Hemiatrophy of right cerebral hemisphere
Axial image of the right temporal bone showing abnormal posterior course of the right internal carotid artery – aberrant right internal carotid artery coursing through the middle ear
Brain axial fluid-attenuated inversion recovery weighted magnetic resonance image shows hyperintensity in the bioccipital region.
Infarct region compatible with large-size MCA infarct in left frontotemporoparietal lobes on cerebral MRI.
Transverse T1 weighted post contrast image of the brain. The hyperintense mass in the 'sella turcica' appears bilobed and mildly asymmetric, protruding slightly towards the left cerebral hemisphere (indicated with arrow).
T1-weighted post contrast axial image of brain of 15-year-old female, who presented with seizure, shows left temporal lobe tuberculoma as two small conglomerate ring enhancing lesions
Postoperative MRI: To the right, white arrows showing involvement of inferior and occipital gyrus, with black arrows showing relative preservation of the right fusiform gyrus. To the left the black arrows show involvement of inferior and medial occipital gyrus and fusiform.
Brain magnetic resonance image showing sequelae in the right temporal region.
Axial noncontrast follow-up CT brain 6 months postoperatively shows complete resolution of initial right-sided CSDH and stable right frontoparietal gliosis
Pontine and brainstem hypoplasia on sagittal T1- weighted magnetic resonance image
Magnetic resonance imaging of the brain (fluid attenuated inversion recovery sequence, coronal section) showing periventricular hyperintensities involving bilateral parieto-occipital white matter (Case  1).
Coronal T1-weighted MP-RAGE sequence on 1.5-T MR scan outlining the hippocampus (H) and amygdala (A) by manual volumetry.
Brain CT (axial view) presents an acute subarachnoid hemorrhage and intraventricular hemorrhage.
ECDs following passive movement overlapping on the inflated brain of a representative subject. ECDs were estimated at the primary sensorimotor area (red dipole), SMA (green dipole), PPC (purple dipole), and cS2 (blue dipole) in this subject. ECDs, equivalent current dipoles; SMA, supplementary motor area; PPC, posterior parietal cortex; cS2, contralateral secondary somatosensory cortex.
Brain computed tomography scan image with drainage tube due to severe hydrocephalus.
Transverse T2w image of the diencephalon of the rabbit brain including the third ventricle dorsal and ventral to it: telencephalic height (1), third ventricular height (2) and diencephalic height (3) were assessed along the midline
Non-contrast computed tomography scan brain showing subarachnoid hemorrhage (SAH). Black solid arrows indicating SAH
Axial CT section of the abdomen after injection of iodinated contrast medium during the portal phase. There is a mesenteric lymph node conglomerate (arrows) associated with the parietal thickening of the jejunum (arrowhead). Solid renal lesions (asterisks) are also observed.
Top: Whole brain analysis (T maps) for the contrast of new vs. old ideas (double-thresholded with p < .001 at voxel-level and p < .05 at cluster-level) including %SC in the significant cluster. The generation of new ideas was associated with stronger activation in the left inferior parietal cortex (IPC) including parts of the supramarginal gyrus (SMG).
Brain MRI axial fluid attenuated inversion recovery (FLAIR) image shows the characteristic periventricular areas of increased signal intensity (arrows) that are oriented perpendicular to and often contiguous with the lateral ventricles.
Brain diffusion-weighted MRI shows small high signal lesions (arrow) in right occipital lobe.
Initial brain computed tomography (CT) scan reveals a diffuse and thick subarachnoid hemorrhage in the basal cisterns, the bilateral Sylvian fissures, and the anterior interhemispheric fissure.
Axial ultrasound showing occipital encephalocele
Preoperative CT scan of the brain showed a rounded, well-defined, heterogeneously hyperdense, enhancing lesion in the left temporoparietal region, with a mass effect and destruction of the left temporal bone extending into the scalp, suggesting the possibility of meningioma. No evidence of calcification was noted within the lesion
Cranial CT image obtained on the second hospital day at our institution. This axial cut demonstrates extensive brain stem infarction (white arrow) attributed to bilateral vertebral artery occlusion.
Axial computed tomography of the brain showing absence of vermis with fused cerebellar hemispheres
Frontals, parietals, and braincase of Acrocanthosaurus atokensis (NCSM 14345) in ventral view.Reconstructed from CT scan data. bo, basioccipital; bpt, basipterygoid process; bsr, basisphenoid recess; bt, basal tubera; F, frontal; LS, laterosphenoid; OS, orbitosphenoid; P, parietal; popr; paroccipital processes; sptf, supratemporal fossa.
Brain MRI of the index patient showing PNH.
Coronal T1W-enhanced section showing complete removal of the tumor in the left parietal region, with blood in the epidural space at the region of the operation, measuring 6.5×13 mm.
Brain coronal section showing agenesis of septum pellucidum
Computerized tomography of the brain showing haemorrhage in the left basal ganglia and insula
CT image of the 5-year-old boy. Two intracranial tumors were observed, a right temporal tumor and a right cerebellar tumor. The tumors had a round shape and were of high density
Non-contrast computed tomography of the brain. Note the extensive cortical calcifications within both hemispheres.
Magnetic resonance imaging of the brain of proband III:2. The thin linear structure coursing obliquely from the left pontomedullary region in the left pontine cistern suggests the left abducens nerve, which was absent in the right side.
Coronal computed tomogram scan showing complete atlantooccipital assimilation (arrow)
Computed tomography brain showing white matter hypodensities involving centrum semiovale
Brain magnetic resonance imaging showing two round right parieto-occipital masses with flow void intensity adjacent to superior sagittal sinus
MRI of the brain displaying left frontoparietal dominant extracranial soft tissue lesion.
T2-weighted cerebral MRI scan. There are confluent white matter lesions in all cerebral lobes and signs of brain atrophy.
Axial diffusion-weighted imaging (DWI) magnetic resonance imaging (MRI) shows restricted diffusion in midbrain
Post‐Gammaknife MRI‐Brain and Cavernous Sinus/Orbital Apex. Axial T2 precontrast slice, white‐dashed arrow identifies residual right cavernous sinus disease. Solid white arrow identifies right temporal lobe mass.
Axial T2-weighted MRI of Brain at the level of Basal ganglia showing hyper intense lesions involving bilateral globus pallidi
CT scan image of the brain of CASE 2 after 2 weeks of initial presentation suggesting partial resolution of the hemorrhage and no further progression or new hemorrhages coinciding with the clinical improvement.
Post-operative CECT brain at nine months after surgery showing no evidence of tumor
Axial T2 weighted imaging showing thickening of right temporal lobe gyrus with increased signal in the cortex
Computed tomography scan of the brain axial sections show parallel lateral ventricles, agenesis of corpus callosum and asymmetry of cerebral hemispheres
MRI brain with gadolinium contrast; fast spin-echo fat-suppressed T2 axial sequence demonstrating a lesion at the skull base, at jugular foramen level, dimensions approximately 26×14 mm.
Computed tomography scan showing tip of odontoid process above the Mcrae's line, suggesting basilar invagination. There is occipitalisation of atlas.
Plain radiograph of the skull taken at time of presentation showing a lytic lesion on the left frontoparietal bone.
Brain MRI - Increased signal in FLAIR images in the withe matter territories adjacent to the lateral ventricles bodies and subcortical zone
Axial FLAIR image showing white matter lesions in centrum semiovale parallel to interhemispheric fissure with frontoparietal lobe atrophy
Computed tomography image: Parietal thickness of the esophagus
Non-contrast magnetic resonance imaging showing hyper-intense lesion involving the left temporal and parieto-occipital regions. The tumor is crossing the midline to the right parietal region.
Contrast-enhanced CT scan of the brain, showing bilateral gliotic changes in the head of the left caudate nucleus, the antero-lateral aspect of putamen and intervening internal capsule. Appearances of old infarcts are seen along the recurrent artery of Heubner
CT brain showing ill-defi ned hypodensities in subcortical white matter in both parietal lobes.
Magnetic resonance imaging brain FLAIR images showing the old right putaminal infarct and fresh left putaminal infarct
Contrast-enhanced computed tomography exhibiting nonhomogeneous enhancing lesion destroying walls of maxillary and ethmoid sinus, upper right alveolus and extending into masticator space and infratemporal region
MR image reveals the normal supratentorial brain of fetus II, except for mild unilateral colpocephaly (white arrow).
Brain extraction (Stage 1, in green) and corresponding graph cut segmentation (in cyan), which has a incorrectly removed brain tissue in the vicinity of the open skull.
Molar tooth sign.Transverse T1WI of MRI demonstrates appearance resembling molar tooth with horizontal tubular structure originating from midbrain on both sides of midline (arrows). This was patient with Joubert syndrome.
Niemann-Pick disease. A child 2 years of age. The brain is atrophic with enlargement of the ventricles.
Regression of TumorMRI of the brain showing decrease in size of patient’s hemangioblastoma at last follow-up.
Brain magnetic resonance imaging performed 4 years earlier showing a hyperintense lesion on the right cerebellum suggestive of hamartomatous hypertrophy.
In the left parasagital-frontoparietal convexity of brain MRI, a small meningioma (2.1 × 2.0 × 1.4 cm) was newly detected.
Axial brain ct showing choroid plexus and left basal ganglial calcifications
Lateral projection angiogram at completion of the procedure from the left internal carotid artery demonstrating preservation of the transverse sinus providing a drainage pathway for normal brain parenchyma.
The statistical map of Cortical indicating the significant difference between Ser/Ser and Pro-allele carriers on the right inferior temporal cortical surface area in schizophrenic patients.The labeled cluster represents the right hemisphere region that survived Monte Carlo clusterwise correction at p<0.05. Color bar scaled in negative log of p values.