生前或死后伤的确定,长时期来,一直是法医学中的重点研究课题之一。伤后存活时间较长的新鲜尸体,生前损伤的诊断并不难。濒死伤、受伤即刻死亡者或腐败尸体的生前伤诊断则比较困难。死后分尸三十二天后,利用扫描电镜确定颈部生前伤在国内尚无报道,现将我们在法医实践中所遇到的一例报告如下: Determination of pre-life or post-mortem injury has long been one of the key research topics in forensic medicine. Fresh dead body longer survival time, the diagnosis of pre-existing injuries is not difficult. The diagnosis of an impending injury, an immediate injury or a corpse of an injured person is more difficult to diagnose. Thirty-two days after the dead splinter, the use of scanning electron microscopy to determine neck injuries in the country has not been reported, now we encounter in forensic practice, an example is as follows: