血管网状细胞瘤好发于幕下小脑半球 ,约占80 % ,少数可见于桥脑、延髓、脊髓 ,发生于幕上的罕见〔1〕,天津脑系科医院于 1 988年 5月、1 989年 1 2月经手术病理证实为幕上血管网状细胞瘤 ,报道如下。例 1 :男 ,60岁。以左眶上肿物半年 ,头痛持续性加重 1个月入院。查体 :左眼突 Vesicular reticular cell tumor occurs in the subglottic cerebellar hemisphere, accounting for about 80%, a few found in the pons, medulla oblongata, spinal cord occurred in the infancy of the rare 〔1〕, Tianjin Brain Hospital in May 988, 1 989 12 months confirmed by surgical pathology supratentorial vascular reticular tumor, reported as follows. Example 1: Male, 60 years old. To the left orbit on the tumor for six months, headache continued to increase 1 month admission. Physical examination: left eye suddenly