自从1963年 Gooper 应用液氮冷冻外科装置治疗肿瘤获得成效报道后,十余年来国内外已广泛开展肿瘤的冷冻治疗,特别是对易于达到部位的表浅肿瘤如皮肤、口腔、头颈部、妇科,直肠肛管及前列腺膀胱等部位的良、恶性肿瘤。冷冻外科已成为治疗肿瘤的一种重要方法。一、冷冻治疗的机理冷冻治疗肿瘤的机理,目前尚 Since Gooper’s use of liquid nitrogen cryosurgery to treat cancer has been reported in 1963, cryotherapy has been widely used at home and abroad for more than ten years, especially for superficial tumors such as skin, mouth, head and neck. Gynecological, rectal anal canal and prostate bladder and other parts of the benign and malignant tumors. Cryosurgery has become an important method of treating tumors. First, the mechanism of cryotherapy cryotherapy tumor mechanism, is still