案例头部锐器伤在司法鉴定中极为常见，但锯齿砍伤遗留颅骨内多个折断的锯齿尚未报道。笔者将所遇一例报道如下。某男，21岁。某年5月22日在工作中与他人发生争吵，被人用木工手锯齿侧将头部砍伤。砍伤当时无恶心、呕吐及意识障碍。伤后两天查体；右前额部有一5．0cm长创口，已 In the forensic case, sharp head injuries are extremely common in the forensic cases, but there have been no reports of multiple broken serrations left over from the skull. I will encounter a case as follows. A man, 21 years old. On May 22, a quarrel with others occurred on the job and was chopped head by the side of a carpenter’s hand. Chop injury at the time no nausea, vomiting and disturbance of consciousness. Two days after injury physical examination; right frontal section has a 5.0cm long wound, have