关键词：囊性脑膜瘤；MRI；显微外科手术；病理
【摘要】 目的 对囊性脑膜瘤的临床特点进行探讨。方法 总结1996年1月至1997年8月收治的14例颅内囊性脑膜瘤的临床经验。结果 14例患者肿瘤全切除13例，次全切除1例，无手术死亡。结论 脑膜瘤由于急性囊变，引起严重的临床症状，加速了病情发展，往往误诊为其它性质的病变。MRI对诊断囊性脑膜瘤很有价值，但不能明确分型。病理变化包括急性出血性坏死和慢性缺血性变化。囊性脑膜瘤手术时在不损伤神经功能区的前提下，不仅切除肿瘤结节，还应彻底切除囊壁以防止复发。
Cystic meningioma (report of 14 cases)
GE Ming, YU Chunjia ng Department of Neurosurgery,Beijing Tiantan H ospital, Beijing 100050
【Abstract】 Objective To discuss theclinica l features of cystic meningioma. Methods Fourteen c ases o fcystic meningioma patients which had been treated in our hospital from January 1996 toAugust 1997 were analyzed. Results Total surgica l resection were donein 13 cases, subtotal resection in 1 case. There were no o perative mortality. Conclusions Cysticmeningioma cou ld s ometimes be misdiagnosed from other disorders because of its cystformation, rap id growth and severe clinical symptoms. MRI is beneficial to the diagnosisbut not definite i n its classification. The pathological features of cystic meningiomaincludes ac u te hemorrhagic necrosis and chronic ischemic changes. Under the prerequisiteof avoiding damage of important functional areas, not only the tumor nodule should beresected totally, but also the wall of the cysts should be removed with micro surgicaltechniques to prevent recurrence.
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