Methods The clinical data of 8 patients with pilocytic astrocytomas of the third ventricles, whose average age was 19 years, treated by us in the last 9 years were analyzed retrospectively.

• 本组8例；占同期住院胶质瘤的0.；6%25；发病年龄平均为19岁；病变在第三脑室前部突向下丘脑/视路的2例；位于第三脑室中后部的6例。8例均行显微手术治疗；肿瘤位于第三脑室前部突向下丘脑/视路的采用经翼点入路;