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本文报告经手术治疗的22例小脑桥脑角(CPA)脑膜瘤,多为大型肿瘤,直径大于2.5cm.女19例,男3例,年龄29～75岁,临床表现有面部疼痛或麻木(11例),听力减退或耳鸣(7例),头痛(8例),平衡失调(4例)。颅骨平片示岩骨尖破坏2例,岩骨嵴增生5例,未见内听道扩大和钙化,8例有慢性高颅压改变。CT 冠状扫描可显示出肿瘤和天幕切迹的关系,对设计手术入路有价值。椎动脉造影可显示椎基动脉及其分支与肿瘤的关系.18例经动
This article reports 22 surgically treated meningiomas of the cerebellopontine angle (CPA) meningiomas, mostly large tumors, diameter greater than 2.5cm. Female 19 cases, 3 males, aged 29 to 75 years old, clinical manifestations of facial pain or numbness ( 11 cases), hearing loss or tinnitus (7 cases), headache (8 cases), balance disorder (4 cases). There were 2 cases of fracture of craniofacial bone fractures, 5 cases of osteophyte hyperplasia, no enlargement and calcification of internal auditory canal, and 8 cases of chronic high intracranial pressure. The CT coronal scan can show the relationship between the tumor and the atresia and is valuable for designing surgical approaches. Vertebral artery angiography can show the relationship between vertebral artery and its branches and tumors. 18 cases of motion