Abstract
A case of choroidal epithelial cyst in the fourth ventricle is described. The cyst occupied the fourth ventricle almost completely, and produced an intermittent hemiparesis and hemisensory disturbance. After removal of the cyst wall, the patient recovered completely. On light microscopy, a single epithelial layer with a basement membrane lining the cyst wall was observed. An electron microscopic study was also made.
MeSH terms
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Cerebral Angiography
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Cerebral Ventricle Neoplasms / complications
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Cerebral Ventricle Neoplasms / diagnostic imaging
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Cerebral Ventricle Neoplasms / surgery
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Cerebral Ventricle Neoplasms / ultrastructure*
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Choroid Plexus*
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Epidermal Cyst / complications
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Epidermal Cyst / diagnostic imaging
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Epidermal Cyst / surgery
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Epidermal Cyst / ultrastructure*
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Hemiplegia / etiology
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Humans
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Male
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Middle Aged
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Nervous System Diseases / etiology
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Sensation
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Tomography, X-Ray Computed