患者 ,男 ,5 5岁 ,因右肘部伸出车窗外 ,被对面来车撞伤 ,疼痛、流血、不敢活动 4小时来院。自诉右肘内侧鹌鹑蛋大小肿物 10余年 ,叩之拇、示指有放电感 ,自发现至今无明显增大。查体见右肘关节以近内侧有 10ｃｍ长纵行皮裂伤 ,伤口掌侧皮肤挫伤约 10ｃｍ× 6ｃｍ大小 ,右手拇 Patient, male, 5 5 years old, because the right elbow out of the window, was hit by a car hit the opposite, pain, bleeding, afraid to activity 4 hours to hospital. Self-suit inside the right elbow quail egg size of tumor more than 10 years, knocking the thumb, showing a sense of discharge, since the discovery has not significantly increased. See the right elbow joint examination to the medial side with 10cm long longitudinal skin laceration, wound palmar skin damage about 10cm × 6cm size, right hand thumb