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Comparison of laparoscopic and abdominal radical hysterectomy in early stage cervical cancer patients without adjuvant treatment: Ancillary analysis of a Korean Gynecologic Oncology Group Study (KGOG 1028)
- Comparison of laparoscopic and abdominal radical hysterectomy in early stage cervical cancer patients without adjuvant treatment: Ancillary analysis of a Korean Gynecologic Oncology Group Study (KGOG 1028)
- Paik, E. Sun; Lim, Myong Cheol; Kim, Moon-Hong; Kim, Yun Hwan; Song, Eun Seop; Seong, Seok Ju; Suh, Dong Hoon; Lee, Jong-Min; Lee, Chulmin; Choi, Chel Hun
- Ewha Authors
- SCOPUS Author ID
- Issue Date
- Journal Title
- GYNECOLOGIC ONCOLOGY
- GYNECOLOGIC ONCOLOGY vol. 154, no. 3, pp. 547 - 553
- Minimal invasive surgery; Prognoses; Survival analyses; Uterine cervical neoplasms
- ACADEMIC PRESS INC ELSEVIER SCIENCE
- SCIE; SCOPUS
- Document Type
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- Objective. We compared two groups of early stage cervical cancer patients treated with different surgical methods without adjuvant treatment using retrospective multicenter data previously collected for Korean Gynecologic Oncology Group (KGOG) study designed for developing prognostic models. Method. We initially assessed data from the multi-institutional cohort with early stage (IB-IIA) cervical cancer patients treated with radical hysterectomy without adjuvant treatment between 2000 and 2008. Propensity score matching was performed to compare disease-free survival (DFS) and overall survival (OS) of patients with laparoscopic to abdominal radical hysterectomy. Additionally, survival comparison was performed in patients with tumor size <2 cm. Results. After matching, 119 patients with laparoscopic radical hysterectomy were compared with 357 patients with abdominal radical hysterectomy (median follow-up of 63.9 months). Inferior DFS was observed in the laparoscopy group (HR 2.738 [95% CI 1.326-5.650], p = 0.005) with a significant difference in pelvic (HR 5.110 [95% CI 1.817-14.473], p < 0.001) and hematogenous recurrence (HR 3.171 [95% CI 1.059-9.494], p = 0.03), but OS was not significantly different between two groups (p = 0.624). In subgroup analysis in the patient with tumor size <2 cm (laparoscopy 62 vs. laparotomy 186, median follow-up of 69.1 months), laparoscopy was associated with lower rate of DFS (HR 12.987 [95% CI 1.451-116.244], p = 0.003), but no significant difference in OS was observed between groups. Regarding OS, number of events is lacking, and inferior DFS in the laparoscopy group may be compensated by better response to radiation therapy in pelvic recurrence. Conclusions. In this analysis, laparoscopic radical hysterectomy was associated with lower rates of DFS but not OS in early stage cervical cancer patients without adjuvant treatment. Further larger scale studies are needed. (C) 2019 Elsevier Inc. All rights reserved.
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