目的探讨切除三脑室肿瘤的手术入路。方法显微镜下经胼胝体-穹窿间入路切除三脑室肿瘤18例。结果肿瘤全切除13例,近全切除3例,大部分切除2例,无手术死亡。结论经额胼胝体-穹窿间入路是切除三脑室肿瘤的最佳入路之一,该手术入路可以切除三脑室前,中,后部的肿瘤,术野暴露清楚,可在直视下操作,按生理间隙进入,肿瘤全切率高,术后并发症少。 Objective To investigate the surgical approach to the removal of tumors in the third ventricle. Methods Under the microscope, 18 patients with triple ventricle tumors were resected through the corpus callosum - fornix approach. Results Totally resected in 13 cases, nearly 3 cases underwent total resection, most of resection in 2 cases, no operative death. Conclusions The amount of corpus callosum - fornix approach is one of the best ways to excise the tumors in the third ventricle. The surgical approach can remove the tumors in the anterior, middle and posterior parts of the third ventricle. The exposed surgical field can be operated under direct vision , According to the physiological gap into the tumor full rate, less postoperative complications.