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宫颈上皮内瘤(CIN)的传统疗法是宫颈锥切或子宫全切除.由于阴道细胞学的广泛应用,CIN诊出率不断提高,特别对一些年轻未育妇女,更须选择保守疗法.15年前Townsend(1968)等已介绍并广泛使用冷冻治疗CIN,此后报导的数篇随访研究指出对生育力和妊娠均无不良作用.本文着重观察冷冻疗法对妊娠后期的影响.作者对1973——1979年500例CIN患者进行冷冻治疗.宫颈、颈管分别用特殊器械治疗.冷冻剂为液氮.温度为-170℃～-190℃.冷冻30秒后等待3分钟除霜,再进行30秒冷冻.手术在局麻
The traditional treatment of cervical intraepithelial neoplasia (CIN) is conization of the cervix or total hysterectomy due to the wide application of vaginal cytology, CIN increasing the rate of diagnosis, especially for some young women of childbearing, more need to choose conservative treatment .15 years The former Townsend (1968) and other have introduced and widely used cryotherapy CIN, since then reported several follow-up studies have shown no adverse effects on fertility and pregnancy.This article focuses on the impact of cryotherapy on late pregnancy. Author 1973--1979 500 cases of CIN in patients with cryotherapy.Cervix, neck were treated with special equipment.The refrigerant is liquid nitrogen.Temperature of -170 ℃ ~ -190 ℃ .After 30 seconds of freezing wait 3 minutes defrosting, and then 30 seconds of freezing Surgery at local anesthesia