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KMID : 1137020180290050076
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Journal of Gynecologic Oncology
2018 Volume.29 No. 5 p.76 ~ p.76
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Treatment outcomes of patients with stage II pure endometrioid-type endometrial cancer: a Taiwanese Gynecologic Oncology Group (TGOG-2006) retrospective cohort study
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Fu Hung-Chun
Chen Jen-Ruei
Chen Min-Yu
Hsu Keng-Fu
Cheng Wen-Fang
Chiang An-Jen
Ke Yu-Min
Chen Yu-Chieh
Chang Yin-Yi
Huang Chia-Yen
Kang Chieh-Yi
Kan Yuan-Yee
Hsiao Sheng-Mou
Yen Ming-Shyen
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Abstract
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Objective: Choice of hysterectomy and adjuvant treatment for International Federation of Gynecology and Obstetrics (FIGO) 2009 stage II endometrioid endometrial cancer (EEC) is still controversial. Aims of this study were to evaluate survival benefits and adverse effects of different hysterectomies with or without adjuvant radiotherapy (RT), and to identify prognostic factors.
Methods: The patients at 14 member hospitals of the Taiwanese Gynecologic Oncology Group from 1992 to 2013 were retrospectively investigated. Patients were divided into simple hysterectomy (SH) alone, SH with RT, radical hysterectomy (RH) alone, and RH with RT groups. Endpoints were recurrence-free survival (RFS), overall survival (OS), disease-specific survival (DSS), adverse effects and prognostic factors for survival.
Results: Total of 246 patients were enrolled. The 5-year RFS, OS, DSS and recurrence rates for the entire cohort were 89.5%, 94.3%, 96.2% and 10.2%, respectively. Patients receiving RH had more adverse effects including blood loss (p<0.001), recurrent urinary tract infections (p=0.013), and leg lymphedema (p=0.038). Age over 50-year (HR=9.2; 95% confidence interval [CI], 1.2?70.9) and grade 3 histology (HR=7.28; 95% CI, 1.45?36.6) were independent predictors of OS. Grade 3 histology was an independent predictor of RFS (HR=5.13; 95% CI, 1.38?19.1) and DSS (HR=5.97; 95% CI, 1.06?58.7). Patients receiving adjuvant RT had lower locoregional recurrence (p=0.046), but no impact on survival.
Conclusion: Different treatment modalities yield similar survival outcomes. Patients receiving SH with RT had lower locoregional recurrent with acceptable morbidity. Age and tumor grading remained significant predictors for survival among patients with FIGO 2009 stage II EEC.
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KEYWORD
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Uterine cancer, Endometrioid, General Surgery, Radiotherapy, Survival, Recurrence
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