ArticleObstetrics & gynecology science2022
Incidence and predictive factors for recurrent clear cell ovarian carcinoma: results from a single center in Thailand.
Article in Obstetrics & gynecology science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 5 citations in OpenAlex.
- Ovarian Cancer: Multi-Omics Data Integration.International journal of molecular sciences · 2025Review
- Repurposing Drugs in Controlling Recurrent Platinum-Resistant Clear-Cell Ovarian Cancer.Case reports in oncological medicine · 2023Article
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2 authors at 1 institution in 1 country.
Funding
Abstract
objectiveWe aimed to study the incidence and predictive factors of recurrent clear cell ovarian carcinoma (CCC) and evaluate the oncological outcomes after recurrence.
methodsThis was a retrospective study of 134 CCC cases diagnosed between 2005 and 2020. Clinicopathological data and oncological outcomes were extracted and evaluated. Patients with co-malignancy, mixed pathological type, or incomplete data were excluded. Descriptive statistics, univariate and multivariable analyses, and Kaplan-Meier survival probability estimates were completed. A proportional hazards model was used to assess the association between the prognostic 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 PFS was 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 surgery vs. 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 postrecurrence survival 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 prognosis for PFS. Optimal cytoreductive surgery is an important part of primary treatment to improve survival in patients with CCC.
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