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Posterior Fossa Meningioma: Surgical Strategy

机译:后颅窝脑膜瘤:手术策略

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摘要

Posterior fossa meningioma is the second most common tumor in the cerebellopontine angle. It has a higher rate of postoperative morbidity and mortality compared to acoustic neuroma. Forty posterior fossa meningioma patients managed in our centers were reviewed. Thirty-nine patients were managed surgically with 42 surgical procedures. The approaches used were the translabyrinthine approach in 18 patients (43%), the modified transcochlear in 11 cases (26%), the petro-occipital transsigmoid in 5 cases (12%), the suboccipital in 4 cases (10%), the petro-occipital trassigmoid transcervical in 2 cases (5%), the petro-occipital transsigmoid transtentorial in 1 case (2%), and a subtemporal transtentorial for another case (2%). Facial nerve anatomical integrity was preserved in 87% of procedures but was interrupted in 5 cases, with 4 of the latter subsequently repaired. Total tumor removal was accomplished in 38 cases. A second-stage total tumor removal is planned for the remaining case. There was only one case of perioperative death and no cases of radiological recurrence so far.
机译:后颅窝脑膜瘤是小脑桥脑角第二常见的肿瘤。与听神经瘤相比,它具有更高的术后发病率和死亡率。回顾了我们中心管理的40例颅后窝脑膜瘤患者。 39例患者接受了42例手术治疗。使用的方法有18例(43%)经迷宫穿刺法,11例(26%)改良经耳蜗,5例(12%)枕枕经乙状结肠,4例(10%)枕下经枕枕经鼻窦镜治疗2例(5%),枕枕经乙状结肠镜治疗1例(2%),颞下ten管镜治疗另一例(2%)。面部神经解剖完整性在87%的手术中得以保留,但在5例中被中断,其中4例随后被修复。 38例病例全部切除肿瘤。计划对其余病例进行第二阶段的肿瘤全切除。到目前为止,只有1例围手术期死亡,没有放射性复发病例。

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