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Asian Pac J Cancer Prev. 2007 Oct-Dec;8(4):530-4.

Association between prognostic factors and disease-free survival of cervical cancer stage IB1 patients undergoing radical hysterectomy.

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Department of Obstetrics and Gynecology, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand.


This study was designed to identify prognostic factors of patients with cervical cancer stage IB1 undergoing radical hysterectomy. The medical records and specimens of two hundred and five patients with cervical cancer stage IB1 undergoing radical hysterectomy at Songklanagarind Hospital from July 1995 to June 2005 were reviewed. Patients' age, tumor size, histologic type, tumor grade, depth of invasion, degree of stromal invasion, lymph-vascular space invasion (LVSI), surgical margin status, pelvic node status, and adjuvant treatment were assessed for correlation with disease-free survival (DFS). The mean age of these patients was 44.2 years and the median follow up was 56 months. Twenty five patients (12.2%) developed recurrent disease. The overall 5-year DFS was 86%. In univariate analysis, depth of invasion, degree of stromal invasion, LVSI, and pelvic node status were significant prognostic factors. In multivariate analysis, degree of stromal invasion remained the only independent prognostic factor. In conclusion, degree of stromal invasion was the main independent predictor of prognosis in surgical cases of cervical cancer stage IB1.

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