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We studied 31 patients with histologically verified intracerebral cavernous angiomas.Twenty-two patients were symptomatic;nine were asymptomatic.All 22 symptomatic patients had seizures,three had intracranial hemorrhage,and one had signs of a space-occupying lesion. Twenty-seven lesions were located in the neocortex,three in the brainstem, and one in the cerebellum;all exhibited characteristic gross and microscopic features of cavernous angiomas.CT identified the location and extent of the lesion in 16 of 27 cases.Six of seven lesions demonstrated contrast enhancement,and ten of 27 scans harbored densities consistent with intracerebral calcium.Angiography was performed in 17 cases and was completely normal in eight.MRI revealed mixed signal intensity centrally with a ring of decreased signal intensity peripherally on T2-weighted images and was diagnostic in five cases.Surgical treatment offers and excellent prognosis for seizure control in patients with such lesion. |
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angiography,cerebral
angiography,cerebral,false negative
brainstem,vascular malformation of
calcification,intracranial
CAT scan
CAT scan,abnormal
CAT scan,contrast enhanced
cavernous hemangioma
cerebellar lesion
cerebrovascular disease,surgical treatment of
intracerebral hemorrhage
intracerebral hemorrhage,recurrent
intracranial hemorrhage
malformation,vascular
malformation,vascular,cerebral
malformation,vascular,cryptic
malformation,vascular,treatment of
MRI
MRI,abnormal
neuropathology
seizure
skull x-ray,abnormal
subarachnoid hemorrhage
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