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Obstetrics & Gynecology 2002;99:193-196
© 2002 by The American College of Obstetricians and Gynecologists
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ORIGINAL RESEARCH

Cervical Intraepithelial Neoplasia III: Long-Term Follow-Up After Cold-Knife Conization With Involved Margins

Olaf Reich, MD, Manfred Lahousen, MD, Hellmuth Pickel, MD, Karl Tamussino, MD and Raimund Winter, MD

From the Department of Obstetrics and Gynecology, University of Graz, Graz, Austria.

Address reprint requests to: Olaf Reich, MD, Department of Obstetrics and Gynecology, University of Graz, Auenbruggerplatz 14, A-8036 Graz, Austria; E-mail: olaf.reich{at}kfunigraz.ac.at.

OBJECTIVE: To evaluate the long-term outcome of patients with severe cervical intraepithelial neoplasia (CIN) III or squamous carcinoma in situ after cold-knife conization with involved margins.

METHODS: A total of 390 patients (median age 39 years, range 20–69) with positive margins after cold-knife conization for CIN III were followed expectantly for a mean of 19 (range 6–30) years. Follow-up consisted of colposcopy, cytology, histology, and pelvic examination.

RESULTS: Overall, 306 (78%) patients remained free of CIN III, and 84 (22%) had persisting or recurrent CIN III (n = 78) or developed invasive carcinoma (n = 6). Fifty-three patients had persisting CIN III (diagnosed within 1 year of conization), 25 developed recurrent CIN III after a median of 3 (range 2–28) years, five developed microinvasive carcinomas (at 3, 6, 7, 12, and 23 years), and one developed a stage IB carcinoma at 8 years. Persisting or recurrent disease was more common in patients in whom both the endocervical and the ectocervical cone margins were involved than in those in whom only the ectocervical or the endocervical margin was positive (52% versus 17% and 21%, respectively, P < .001).

CONCLUSION: Expectant management is reasonable for patients with CIN III and positive margins after cold-knife conization. However, these patients require careful follow-up, particularly during the first year.






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