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      • KCI등재

        Factors associated with survival after relapse in patients with low-risk endometrial cancer treated with surgery alone

        Nazli Topfedaisi Ozkan,Mehmet Mutlu Meydanlı,Mustafa Erkan Sarı,Fuat Demirkiran,Ilker Kahramanoglu,TUGAN BESE,Macit Arvas,Hanifi Şahin,Ali Haberal,Husnu Celik,Gonca Coban,Tufan Oge,Omer Tarik Yalcin,Ö 대한부인종양학회 2017 Journal of Gynecologic Oncology Vol.28 No.5

        Objective: To determine factors influencing overall survival following recurrence (OSFR) inwomen with low-risk endometrial cancer (EC) treated with surgery alone. Methods: A multicenter, retrospective department database review was performed to identifypatients with recurrent “low-risk EC” (patients having less than 50% myometrial invasion[MMI] with grade 1 or 2 endometrioid EC) at 10 gynecologic oncology centers in Turkey. Demographic, clinicopathological, and survival data were collected. Results: We identified 67 patients who developed recurrence of their EC after initially beingdiagnosed and treated for low-risk EC. For the entire study cohort, the median time torecurrence (TTR) was 23 months (95% confidence interval [CI]=11.5–34.5; standard error[SE]=5.8) and the median OSFR was 59 months (95% CI=12.7–105.2; SE=23.5). We observed32 (47.8%) isolated vaginal recurrences, 6 (9%) nodal failures, 19 (28.4%) peritoneal failures, and 10 (14.9%) hematogenous disseminations. Overall, 45 relapses (67.2%) were locoregionalwhereas 22 (32.8%) were extrapelvic. According to the Gynecologic Oncology Group(GOG) Trial-99, 7 (10.4%) out of 67 women with recurrent low-risk EC were qualified as highintermediaterisk (HIR). The 5-year OSFR rate was significantly higher for patients with TTR≥36 months compared to those with TTR <36 months (74.3% compared to 33%, p=0.001). On multivariate analysis for OSFR, TTR <36 months (hazard ratio [HR]=8.46; 95% CI=1.65–43.36; p=0.010) and presence of HIR criteria (HR=4.62; 95% CI=1.69–12.58; p=0.003) weresignificant predictors. Conclusion: Low-risk EC patients recurring earlier than 36 months and those carrying HIRcriteria seem more likely to succumb to their tumors after recurrence.

      • KCI등재

        Impact of lymph node ratio on survival in stage III ovarian high-grade serous cancer: a Turkish Gynecologic Oncology Group study

        Ali Ayhan,Nazlı Topfedaisi Ozkan,Mustafa Erkan Sarı,Husnu Celik,Murat Dede,Özgür Akbayır,Kemal Güngördük,Hanifi Şahin,Ali Haberal,Tayfun Güngör,Macit Arvas,Mehmet Mutlu Meydanlı 대한부인종양학회 2018 Journal of Gynecologic Oncology Vol.29 No.1

        Objective: The purpose of this study was to investigate the prognostic value of lymph node ratio (LNR) in patients with stage III ovarian high-grade serous carcinoma (HGSC). Methods: A multicenter, retrospective department database review was performed to identify patients with ovarian HGSC at 6 gynecologic oncology centers in Turkey. A total of 229 node-positive women with stage III ovarian HGSC who had undergone maximal or optimal cytoreductive surgery plus systematic lymphadenectomy followed by paclitaxel plus carboplatin combination chemotherapy were included. LNR, defined as the percentage of positive lymph nodes (LNs) to total nodes recovered, was stratified into 3 groups: LNR1 (<10%), LNR2 (10%≤LNR<50%), and LNR3 (≥50%). Kaplan-Meier method was used to generate survival data. Factors predictive of outcome were analyzed using Cox proportional hazards models. Results: Thirty-one women (13.6%) were classified as stage IIIA1, 15 (6.6%) as stage IIIB, and 183 (79.9%) as stage IIIC. The median age at diagnosis was 56 (range, 18–87), and the median duration of follow-up was 36 months (range, 1–120 months). For the entire cohort, the 5-year overall survival (OS) was 52.8%. An increased LNR was associated with a decrease in 5-year OS from 65.1% for LNR1, 42.5% for LNR2, and 25.6% for LNR3, respectively (p<0.001). In multivariate analysis, women with LNR≥0.50 were 2.7 times more likely to die of their tumors (hazard ratio [HR]=2.7; 95% confidence interval [CI]=1.42–5.18; p<0.001). Conclusion: LNR seems to be an independent prognostic factor for decreased OS in stage III ovarian HGSC patients.

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        Impact of lymph node ratio on survival in stage IIIC endometrioid endometrial cancer: a Turkish Gynecologic Oncology Group study

        Ali Ayhan,Nazlı Topfedaisi Ozkan,Murat Özdemir,Günsu Kimyon Comert,Zeliha Firat Cuylan,Gonca Çoban,Osman Turkmen,Baki Erdem,Hanifi Şahin,Özgür Akbayır,Murat Dede,Ahmet Taner Turan,Husnu Celik,Tayfun G 대한부인종양학회 2018 Journal of Gynecologic Oncology Vol.29 No.4

        OBJECTIVE: The purpose of this study was to investigate the prognostic value of lymph node ratio (LNR) in women with stage IIIC endometrioid endometrial cancer (EC). METHODS: A multicenter, retrospective department database review was performed to identify patients with stage IIIC pure endometrioid EC at 6 gynecologic oncology centers in Turkey. A total of 207 women were included. LNR, defined as the percentage of positive lymph nodes (LNs) to total nodes recovered, was stratified into 2 groups: LNR1 (≤0.15), and LNR2 (>0.15). Kaplan-Meier method was used to generate survival data. Factors predictive of outcome were analyzed using Cox proportional hazards models. RESULTS: One hundred and one (48.8%) were classified as stage IIIC1 and 106 (51.2%) as stage IIIC2. The median age at diagnosis was 58 (range, 30-82) and the median duration of follow-up was 40 months (range, 1-228 months). There were 167 (80.7%) women with LNR ≤0.15, and 40 (19.3%) women with LNR >0.15. The 5-year progression-free survival (PFS) rates for LNR ≤0.15 and LNR >0.15 were 76.1%, and 58.5%, respectively (p=0.045). An increased LNR was associated with a decrease in 5-year overall survival (OS) from 87.0% for LNR ≤0.15 to 62.3% for LNR >0.15 (p=0.005). LNR >0.15 was found to be an independent prognostic factor for both PFS (hazard ratio [HR]=2.05; 95% confidence interval [CI]=1.07-3.93; p=0.03) and OS (HR=3.35; 95% CI=1.57-7.19; p=0.002). CONCLUSION: LNR seems to be an independent prognostic factor for decreased PFS and OS in stage IIIC pure endometrioid EC.

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