腫瘍内出血を繰り返したroot typeの三叉神経鞘腫の1例

概要

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A rare case of neurinoma of the trigeminal root associated with recurrent hemorrhages is reported. The patient was a 77-year-old male. The tumor was composed of a large cyst which was demonstrated as a low density area on a plain computed tomography (CT). Contrast enhancement CT revealed a so-called"rim enhancement"of the tumor. Only partial removal of the cyst wall was performed because of the high age and a medical complication. The postoperative course was uneventful,but intratumoral hemorrhage was observed with abrupt appearance of various symptoms 3 months later. AnOmmaya reservoir was used to evacuate the contents of the cyst and it relieved the symptoms. A cyst-peritoneal shunt was then used because of recurrent intratumoral hemorrhages. Favorable result has been attained for one year. The cyst-peritoneal shunt may be selected as a surgical procedure for a neurinoma associated with a large cyst when the total removal is judged to be inadvisable.
日本脳神経外科学会の論文
1986-09-15