仅有少数患者(3-5%)的原始鳞柱交界部是位于阴道穹窿下端,发生在阴道变形区的化生上皮同宫颈的一样易患发育异常.阴道原位癌的发生率约占生殖道恶性病的0.4%.治疗阴道这些损害的方法有镭管植入、全部或部分阴道切除、冷冻和激光术等,但后者有损伤膀胱、直肠的潜在危险.1957年起有用5-Fu局部治疗法.作者今用5-Fu新法治疗,并评价其作用. Only a few patients (3-5%) of the original scale junction is located in the lower end of the vaginal vault, occurred in the vaginal deformation of the metaplastic epithelium with cervical as predisposition to developmental abnormalities. The incidence of vaginal carcinoma in situ accounted for about reproductive 0.4% of malignant diseases of the vagina treatment of vaginal damage such as laser tube implantation, partial or total vaginal resection, freezing and laser surgery, but the latter have the potential damage to the bladder, rectum useful since 1957 5-Fu Topical treatment. The authors now use 5-Fu new treatment, and evaluate its role.