Cryosurgery is a clinical technology which destroys the diseased cells and tissues by low temperature injuries through the cryotherapy apparatus without any use of antifreeze agent.

• 低温外科是不加任何抗冻剂、利用低温手术器械，使病灶细胞和组织达到低温损伤以致坏死的一门临床科学，它是肿瘤治疗方面近年来涌现出的一种相当有效的新的物理疗法。