大脑凸面脑膜瘤手术死亡原因主要是术中大出血及术后脑水肿，而单侧矢状窦旁脑膜瘤术后弥漫性脑肿胀死亡临床较为少见。我院收治1例，报告如下。l病历报告女，59岁。头痛、头晕3个月余，CT提示：右顶枕矢状窦旁脑膜瘤，同侧侧脑室受压变窄，周围水肿明显，中线左移smm。1998年4 Cerebral meningioma surgery is mainly due to intraoperative bleeding and postoperative cerebral edema, and unilateral saphenous sinus meningioma postoperative diffuse brain swelling is relatively rare clinical death. 1 case admitted to our hospital, the report is as follows. l medical records female, 59 years old. Headache, dizziness for more than 3 months, CT tips: the right top of the occipital sagittal sinus meningioma, ipsilateral lateral contractions of ventricles narrowed, edema around the obvious left midline smm. 1998 4