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本文报道我院近20年收治的162例颅后窝胆脂瘤。男94、女68例,平均年龄41.8(5～73)岁,病程4.5月至18年。平均5.4年。临床主要征象为小脑综合征、眼肌运动障碍、单一或多颅神经麻痹,晚期病例出现颅内压增高症状。根据临床表现及影像学检查作出诊断。全组均行显微外科手术治疗,149例(92％)肿瘤获全切除,余13例(8％)因肿瘤包膜与脑干粘连紧密而行次全切除。手术结果:158例治愈(97.5％),4例于手术后2周内因脑干缺血、水肿或肺部感染死亡(2.5％)。文中对本病的诊断与手术处理原则进行了讨论。
This article reports 162 cases of posterior fossa cholesteatoma admitted to our hospital in the past 20 years. Male 94, female 68 cases, the average age of 41.8 (5 to 73) years of age, duration of 4.5 to 18 years. Average 5.4 years. The main clinical signs of cerebellar syndrome, oculomotor dyskinesia, single or multiple cranial nerve palsy, advanced cases of intracranial pressure increased symptoms. According to clinical manifestations and imaging diagnosis. All the patients underwent microsurgical treatment. 149 (92%) tumors were removed completely, and 13 (8%) underwent subtotal resection due to the close adhesion between the tumor capsule and the brainstem. Surgical outcomes: 158 were cured (97.5%) and 4 died of brain stem ischemia, edema or lung infection within 2 weeks after surgery (2.5%). The article discusses the principle of diagnosis and surgical treatment of the disease.