Surgical strategy for giant petroclival meningioma
10.3760/j:issn:0529-5815.2001.03.013
- VernacularTitle:巨大型岩斜脑膜瘤的手术策略
- Author:
Rong ZHANG
1
;
Liangfu ZHOU
;
Ying MAO
Author Information
1. Huashan hospital
- From:
Chinese Journal of Surgery
2001;39(3):212-214
- CountryChina
- Language:Chinese
-
Abstract:
Objective To discuss the surgical strategy for giant petroclival meningioma. Methods Retrospective analysis of operation and prognosis of 32 patients with petroclival meningioma with a diameter of more than 4.5 cm was carried out.The patients were divided into two groups: suboccipital retromastoid approach and skull base surgical presigmoid sinus approach. Duration of surgery, degree of tumor removal, and postoperative neurological complications were compared between the two groups. Results The percentages of radical and subtotal tumor removal in the two groups were not statistically significant. Less time of operations in the presigmoid sinus approach group and mild postoperative neurological sequelae in the suboccipital retromastoid approach group were observed. Karnofsky prognosis scale of the patients at the dismiss time was higher in the suboccipital retromastoid approach group (P＜0.01). Conclusions The degree of dissection of giant petroclival meningioma is correlated with tumor nature, blood supply, and adherence to the brain stem. Suboccipital retromastoid approach is suitable for giant petroclival meningioma. Total tumor removal should not increase neurological impairment; if radical dissection is impossible, the tumour may be reduced to less than 3 cm in diameter so as to achieve good results of postoperative radio therapy.
