自1977年起,我们应用液氮低温冷冻治疗耳鼻咽喉部乳头状瘤病50例,现报道如下:治疗方法一、器械:上海手术器械六厂生产的 YDz-5型和6型液氮低温冷冻治疗器,后者能自动控制液氮流是。根据瘤的不同形态、大小和部位,特制成不同类型的冷冻探头。二、方法:采用接触法。除最初2例因考虑恶变加用喷射法外,其余的先冷冻瘤的表面,然后摘 Since 1977, we have used liquid nitrogen cryogenic cryotherapy for the treatment of 50 cases of otolaryngology and papillomatosis of the ear and nasopharyngeal tract. The treatment is now as follows: Treatment I. Devices: YDz-5 and 6 liquid nitrogen cryogenic freezers produced at the Shanghai Surgical Instrument Factory No. 6 Therapeutic device, which can automatically control the liquid nitrogen flow is. According to the different shapes, sizes and locations of the tumors, different types of cryoprobe are specially made. Second, the method: contact method. In addition to the first two cases, the surface of the tumor was frozen first, and then the surface was removed.