口腔癌手术治愈的最佳机会,在于将所有癌细胞全部清除。为此,外科医生在肿瘤周围设定一安全缘,应用冰冻切片证实切缘不含癌组织。对于口腔鳞癌,安全缘究竟是多少尚无一致意见,一般认为距肿瘤边缘1～2cm。 1978年,Looser等发现镜下切缘阳性,包括上皮异 The best chance of cure for oral cancer is to remove all cancerous cells. To this end, the surgeon set a safety margin around the tumor, using frozen sections confirmed that the margin does not contain cancer tissue. For oral squamous cell carcinoma, the safety margin is actually how much there is no consensus, generally that from the edge of the tumor 1 ~ 2cm. In 1978, Looser and other found positive margins under the microscope, including epithelial cells