THE INVASIVE POTENTIAL OF CARCINOMA INSITU OF THE CERVIX

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  • 1 January 1984
    • journal article
    • research article
    • Vol. 64  (4) , 451-458
Abstract
The 948 patients with carcinoma in situ (CIS) of the cervix diagnosed histologically were followed 5-28 yr. Among the 817 patients who had normal cytology follow-up, 12 (1.5%) developed invasive carcinoma. A 2nd group of 131 patients continued to produce abnormal cytology consistent with cervical neoplasia, and 29 (22%) of them developed invasive carcinoma of the cervix or vaginal vault. Patients with continuing abnormal cytology after initial management of CIS of the cervix are 24.8 times more likely to develop invasive carcinoma than women who have normal follow-up cytology. When compared with the population at large, the chances of patients with normal follow-up cytology developing invasive cervical or vaginal vault carcinoma increase 3.2-fold over women who have never had CIS of the cervix.