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目的： 报告２４ 例颅内蛛网膜囊肿（ＩＡＣ） 的诊断和治疗情况。方法： 对本科１９９３ 年１０ 月１９９８ 年１０ 月收治的ＩＡＣ 进行回顾性总结。结果：２４ 例患者以临床症状和体征结合ＣＴ 及ＭＲＩ 检查， 以及病理检查来确诊， 符合ＩＡＣ 的诊断； 治疗以手术治疗为主， 大部分病例行囊肿壁部分切除术加囊腔与脑池蛛网膜下腔交通术， 术后症状和体征均有显著改善， ＣＴ复查和随访证实治疗有效。结论：ＩＡＣ 临床表现由于其发生部位不同而表现不同的特点， 其好发部位最多见于枕大池和中颅窝外侧颞部； ＣＴ 及ＭＲＩ检查是ＩＡＣ 诊断最主要和最可靠的方法； 认为凡囊肿伴有颅内压增高， 引起神经系统器质性或功能性损伤者均应手术； 情况允许应尽可能切除囊壁， 建立囊腔与邻近脑池、蛛网膜下腔或脑室的交通是手术成功的关键
Objective: To report the diagnosis and treatment of 24 cases of intracranial arachnoid cyst (IAC). Methods: A retrospective review of IAC admitted to our department in October 1993 and October 1998. Results: Twenty-four patients were diagnosed by clinical symptoms and signs combined with CT and MRI examination and pathological examination, which was in accordance with IAC diagnosis. The treatment was mainly based on surgical treatment. In most cases, cyst wall partial resection plus cyst and cisterna spider web Subcapsular traffic, postoperative symptoms and signs were significantly improved, CT review and follow-up confirmed that the treatment is effective. Conclusions: The clinical manifestations of IAC are different because of their different sites. The most common site of IAC is found in the cistern and the lateral temporal lobe of middle cranial fossa. CT and MRI are the most important and reliable methods for IAC diagnosis. Accompanied by increased intracranial pressure, caused by nervous system organic or functional injury should be surgery; circumstances permit the resection of the cyst wall should be as possible, the establishment of the cyst and the adjacent cisterns, subarachnoid space or ventricle traffic is successful key