对所有恶性肿瘤的手术切除边缘已有了反复的讨论。在近二十年来,建议皮肤黑色素瘤的切缘越来越近肿瘤,过去认为切缘距肿瘤的各个方向应为5cm,这一建议根据切除原发病灶和局部淋巴扩散灶可改善病人的生存率,但这一观点是错误的。切除其深层的筋膜也无助于控制局部或远处病灶。临床材料提示黑色素瘤的局部复发不足5%。近期研究证明Breslow Surgical resection of all malignant tumor margins has been discussed repeatedly. In the past two decades, it has been suggested that the margin of skin melanoma is getting closer to the tumor. In the past, it was considered that the cutting margin should be 5cm from each direction of the tumor. This suggestion can improve the survival of the patient according to resection of the primary lesion and local lymphatic proliferation. Rate, but this view is wrong. Resection of its deep fascia also does not help control local or distant lesions. Clinical materials suggest that local recurrence of melanoma is less than 5%. Recent research proves Breslow