Microsurgical management of supra- and infra-tentorial meningioma of the posterior petrous bone
10.3760/cma.j.issn.1008-6315.2009.12.025
- VernacularTitle:显微外科治疗幕上下岩骨后脑膜瘤
- Author:
Sumin GENG
;
Junting ZHANG
;
Zhen WU
;
Jie TANG
;
Xinru XIAO
- Publication Type:Journal Article
- Keywords:
Meningioma;
Petrous bone;
Cerebellar tentorium;
Microsurgery
- From:Clinical Medicine of China
2009;25(12):1297-1298
- CountryChina
- Language:Chinese
-
Abstract:
Objective To explore the microsurgical experience of supra- and infra-tentorial meningioma of the posterior petrous bone.Methods Clinical data of 21 patients who had undergone microsurgical treatment were retrospectively reviewed.Results All patients underwent surgical treatment via a suboccipital retrosigmoid approach,and hyperostosis of the petrous bone and infiltrated cerebellar tentorium were resected intraoperatively.Tumor resection was categorized as Grade Ⅰ in 16 patients,Grade Ⅱ in 5 patients,according to the Simpson classification system.The main postoperative complications included slight facial paresis and hearing function deterioration.The mean follow-up time was 3.2 years.All patients resumed normal daily activity and no tumor recurrence happened.Conclusions Total resection for supra- and infra-tentorial meningioma of the posterior petrous bone can be achieved with an excellent prognosis by use of microsurgical technique.
