Cystic cerebellar schwannoma.

Neurochi rurgia 35 (1992) 31-32 © Georg Thieme Verlag Stuttgart· New York A suboecipita l cra niotomy wlth Cl lamin ectomy was performed on Septembe r 1, 1983. A weil clrcumsc ribed cystic mass wlth neither infiltration to the adjacent tissues nor relation with cra nial nerves was observed . First. a yellow viscous fluid was aspirated from the cystic str uctures and then the tum oral mass was totaUy removed from the left cerebellar hemisph ere. Postoperative eourse was uneventful. A computerized tomographie sean , taken 4 years later, revealed no patholcgtca l sign and the patie nt did not have any neurological defieit.