title: Outlet obstruction of the fourth ventricle in sarcoidosis.
abstract: Central nervous system sarcoidosis and its varied neuroradiological manifestations are reviewed. Two cases of mechanical obstruction secondary to sarcoid granulomata at the outlet of the fourth ventricle are described.
mesh_terms: D000328:Adult; D002552:Cerebral Ventricles; D002557:Cerebrospinal Fluid Shunts; D005260:Female; D006801:Humans; D006849:Hydrocephalus / Q000209:etiology* / Q000601:surgery; D007427:Intracranial Pressure; D008297:Male; D012507:Sarcoidosis / Q000150:complications*