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논문 기본 정보

자료유형
학술저널
저자정보
Wikanda Hemman (Prince of Songkla University) Athithan Rattanaburi (Division of Gynecologic Oncology Department of Obstetrics and Gynecology Faculty of Medicine Prin)
저널정보
대한산부인과학회 Obstetrics & Gynecology Science Obstetrics & Gynecology Science 제65권 제2호
발행연도
2022.3
수록면
188 - 196 (9page)
DOI
https://doi.org/10.5468/ogs.21313

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We aimed to study the incidence and predictive factors of recurrent clear cell ovarian carcinoma (CCC) and evaluatethe oncological outcomes after recurrence. MethodsThis was a retrospective study of 134 CCC cases diagnosed between 2005 and 2020. Clinicopathological data andoncological outcomes were extracted and evaluated. Patients with co-malignancy, mixed pathological type, orincomplete data were excluded. Descriptive statistics, univariate and multivariable analyses, and Kaplan-Meier survivalprobability estimates were completed. A proportional hazards model was used to assess the association between theprognostic factors with progression-free survival (PFS), overall survival (OS), and post-recurrence survival. ResultsA total of 134 patients with CCC were enrolled. The incidence of recurrent CCC was 33.6% (45/134). The median PFSwas 12.8 months (95% confidence interval [CI], 9.66-18.9) in the recurrence group and 3.3 months (95% CI, 1.15-4.4)in the refractory group. Residual tumor from surgical outcome, ascites cytology, and lymphovascular space invasion(LVSI) were independent prognostic factors for PFS. The significant variables were residual tumor (sub-optimal surgeryvs. optimal surgery) (hazard ratio [HR], 2.68; 95% CI, 1.48-4.87; P=0.002), ascites cytology (positive vs. negative) (HR,2.8; 95% CI, 1.58-4.98; P=0.002), and LVSI (positive vs. negative) (HR, 2.14; 95% CI, 1.18-3.86; P=0.04). The median postrecurrencesurvival was 13.96 months (95% CI, 10.61-26.2) in the recurrence group. ConclusionCCC has a high rate of recurrence. Sub-optimal surgery, positive ascites cytology, and LVSI indicated a worse prognosisfor PFS. Optimal cytoreductive surgery is an important part of primary treatment to improve survival in patients withCCC.

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