岩骨尖上斜坡区域良性肿瘤的病因及诊冶分析

Analysis of cause of disease and diagnosis of benign tumour at the petrous apex and upper-clival regions

目的介绍21例岩骨尖上斜坡区域良性肿瘤的显微外科治疗结果,就其手术入路进行讨论。方法分析骨尖上斜坡区良性肿瘤的临床特点、神经放射学资料,选择相应的手术入路。结果本组经颞下天幕上入路切除8例,天幕上下联合入路切除7例,枕下入路切除6例。肿瘤全切率为76.2%,术后病死率为4.8%。预后:Ⅰ级2例,Ⅱ级2例,Ⅲ级4例,Ⅳ级4例,Ⅴ级1例。结论根据肿瘤的性质、大小和部位,选择相应的手术入路是十分重要的。联合入路在巨大肿瘤的切除中最为常用。

Objective To report the resuhs of microsurgical treatmen for 21 caseas of bemgn tumor at the petrous apex and upper-clival regions. Methods Studied the clinical feature and neuroradiological material of the patients with bemgn tumor at the petrous apex and upper-clival regions,disccused the operative approaches. Results In cases patients, by the temporal approach for resection of supratentorial in 8 cases, upper and lower canopy combined approach resection in 7 cases, the suboccipital approach for resection in 6 cases. Total resection of tumor was 76.2% , postoperative mortality was 4.8%. Prognosis ： Ⅰ grade 2 cases, Ⅱ grade 2 cases, Ⅲ grade 4 cases, IV grade 4 cases, V grade 1 case. Conclusion To select an appropriate appropriate approach on the basis of the tumor＇ s characteri, size and location. Combined supra-infratentorial approach is considered to be the main approach for large tumors.