胼胝体脂肪瘤很少见，1956年VonRokitonsky报道首例。笔者曾遇见1例，较典型。报告如下：患者女，26岁。有癫痫病史10年，近一年来发作频繁，于前几日发作时，以头颅外伤人院。查体：四肢肌张力亢进，伴意识障碍，右枕部有2cm伤口、伤口深达帽状腱膜、清创缝合后，常规头顿正侧 Liposarcoma is rare, and the first case was reported by Von Rokitonsky in 1956. The author once met one case, more typical. The report is as follows: The patient is 26 years old. She had a history of epilepsy for 10 years and had frequent episodes in the past year. In the first few days of episodes, he had a traumatic head injury. Physical examination: Hyperactivity of the extremities, disturbance of consciousness, 2cm wound in the right occipital region, wound up to the cap-shaped aponeurosis, debridement and suturing, conventional cephalon front side