本文报告４例颅底肿瘤术后合并迟发性大面积脑梗塞的病例。其共同点均为颅底侵及鞍区的良性肿瘤，彻底切除后５～７天发生以大脑中动脉为主的完全性梗塞，考虑可能与术后脑移位造成血管的牵拉、扭曲有关。并提出应重视的有关问题。 This article reports on the cases of postoperative combined large area cerebral infarction in 4 cases of skull base tumors. Common grounds are benign tumors with invasion of the skull base and sellar area. Complete infarctions mainly of the middle cerebral artery occur 5 to 7 days after complete resection, which may be related to the traction and distortion of blood vessels caused by postoperative brain shift. . And put forward the relevant issues that should be taken seriously.