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我院近5年来经手术、病理证实的后颅窝肿瘤40例,7例术后出现一过性的严重精神障碍,现报告如下。 临床资料 本组后颅窝肿瘤共40例,男21例,女19例。年龄为6～60岁。所有病例均有典型的后颅窝占位性病变的相应症状和体征。术前2例有精神症状,包括多语、语无伦次、兴奋、定向力障碍和痴笑,40例均做了头颅CT、椎动脉造影或Conray脑室造影,并均行后颅窝开颅探查、肿瘤切除或大部分切除或活检术,其中3例同时行脑室—脑池分流术。肿瘤主要位于第四脑室5例;桥脑小脑角15例;小脑蚓部10例;小脑半球8例;桥延部2例。病理检查:髓母细胞瘤6例,星形胶质细胞瘤5例,少突胶质细胞瘤1例,神经(鞘)纤维瘤13例,室管膜瘤5例,
Nearly 5 years in our hospital by surgery, pathologically confirmed posterior fossa tumors in 40 cases, 7 cases of postoperative transient severe mental disorders, are as follows. Clinical data of the posterior fossa tumors in 40 cases, 21 males and 19 females. Age 6 to 60 years old. All cases have a typical posterior fossa occupying lesions of the corresponding symptoms and signs. Two cases had psychiatric symptoms including multilingualism, incoherent incontinence, excitement, disorientation, and smirking. All 40 patients underwent cranial CT, vertebral artery angiography or Conray ventriculography. All patients underwent posterior fossa craniotomy and tumor resection Or most resection or biopsy, including 3 cases of simultaneous ventricle - cistern shunt. The tumors mainly located in the fourth ventricle in 5 cases; the cerebellopontine angle in 15 cases; cerebellar vermis in 10 cases; cerebellar hemisphere in 8 cases; bridge extension in 2 cases. Pathological examination: 6 cases of medulloblastoma, 5 cases of astrocytoma, oligodendroglioma in 1 case, nerve (sheath) fibroids in 13 cases, 5 cases of ependymoma,