Archives of gynecology and obstetrics · 2011
Prediction, based on resection margins, of long-term outcome of cervical intraepithelial neoplasia 3 treated by Shimodaira-Taniguchi conization.
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Miyoshi Yukari, Miyatake Takashi, Ueda Yutaka, Morimoto Akiko, Yokoyama Takuhei, Matsuzaki Shinya, Kimura Toshihiro, Yoshino Kiyoshi, Fujita Masami, Ohashi Hiroshi, Morii Eiichi, Enomoto Takayuki, Kimura Tadashi
Аннотация
PURPOSE: The aim of the present study was to analyze the long-term outcome of cervical intraepithelial neoplasia 3 (CIN 3) after treatment with the Shimodaira-Taniguchi conization procedure, based on the status of the resection margins.
METHODS: In the Osaka University Hospital, conization using the Shimodaira-Taniguchi procedure has been routinely performed for CIN 3. Medical records of patients during the period from 2001 to 2008, whose post-conization diagnosis was CIN 3, were retrospectively analyzed for outcome versus margin status.
RESULTS: During the median follow-up period of 565 days (range 34-3,013), CIN disease was again detected in 14 of 243 patients; it was found in 7 patients among 198 margin-negative cases, and in 7 patients among 45 margin-positive cases. There was a significant difference in the reappearance rate demonstrated between the cases with positive and negative margins (p = 0.0018). Among the patients whose first follow-up post-conization cytology was normal, recurrence-free probability was significantly higher in margin-negative cases than in margin-positive ones (hazard ratio, 5.19; 95% CI, 1.175-22.994; p = 0.0041).
CONCLUSION: For the first time, we demonstrate that after treatment of CIN 3 lesions by Shimodaira-Taniguchi conization the status of the resection margin was a significant predictor for long-term outcome.
METHODS: In the Osaka University Hospital, conization using the Shimodaira-Taniguchi procedure has been routinely performed for CIN 3. Medical records of patients during the period from 2001 to 2008, whose post-conization diagnosis was CIN 3, were retrospectively analyzed for outcome versus margin status.
RESULTS: During the median follow-up period of 565 days (range 34-3,013), CIN disease was again detected in 14 of 243 patients; it was found in 7 patients among 198 margin-negative cases, and in 7 patients among 45 margin-positive cases. There was a significant difference in the reappearance rate demonstrated between the cases with positive and negative margins (p = 0.0018). Among the patients whose first follow-up post-conization cytology was normal, recurrence-free probability was significantly higher in margin-negative cases than in margin-positive ones (hazard ratio, 5.19; 95% CI, 1.175-22.994; p = 0.0041).
CONCLUSION: For the first time, we demonstrate that after treatment of CIN 3 lesions by Shimodaira-Taniguchi conization the status of the resection margin was a significant predictor for long-term outcome.