随着医学事业的发展,通常所用外科器械已远不能满足现代外科手术需要,在各种局部范围内,可用低温手术器械代替。近年来,低温手术器械的不断改进,冷冻治疗已越来越显出它的优越性。我科于1975年8月在针麻下应用液氮“冷刀”施行鼻咽血管纤维瘤摘除取得成功,手术进行顺利,收到满意的效果。现介绍于下: With the development of medical science, the surgical instruments commonly used are far from meeting the needs of modern surgery. In various local areas, low temperature surgical instruments can be used instead. In recent years, the continuous improvement of cryogenic surgical instruments, cryotherapy has shown its superiority. Our department in August 1975 under the Acupuncture anesthesia with liquid nitrogen “cold knife” nasopharyngeal angiofibroma removal was successful, the operation was successful and received satisfactory results. Now introduced in the next: