Fakülteler / Faculties

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    OPEC Study: An International Multicenter Study Of Ovarian Preservation In Endometrial Cancers
    (2022) Akgor, Utku; Ayhan, Ali; Shushkevich, Alexander; Ozdal, Bulent; Angelou, Kyveli; Akbayir, Ozgur; Kaidarova, Dilyara; Ulrikh, Elena; Stepanyan, Artem; Ortac, Firat; Aliyev, Shamistan; Ozgul, Nejat; Taranenka, Siarhei; Haberal, Ali; Salman, Coskun; Seyhan, Alper; Selcuk, Ilker; Haidopoulos, Dimitrios; Akilli, Huseyin; Bolatbekova, Raikhan; Alaverdyan, Areg; Taskin, Salih; Murshudova, Sabina; Batur, Meltem; Berlev, Igor; Gultekin, Murat; https://orcid.org/0000-0002-5240-8441; 35323994; AAX-3230-2020
    Objective To evaluate the feasibility and oncological safety of ovarian preservation in early stage endometrial adenocarcinoma (EC) patients aged 40 and below. Methods A total of 11 institutions from eight countries participated in the study. 169 of 5898 patients aged <= 40 years were eligible for the study. Patients with EC treated between March 2007 and January 2019 were retrospectively assessed. Results The median duration of follow-up after EC diagnosis was 59 months (4-187). Among 169 participants, ovarian preservation surgery (OPS) was performed in 54 (31.9%), and BSO was performed in 115 (68.1%) patients. Although patients younger than 30 years of age were more likely to have OPS than patients aged 30 to 40 years (20.4% vs. 9.6%, P = 0.021), there was no significant difference by the mean age. There were no other relevant baseline differences between OPS and BSO groups. The Kaplan-Meier analysis revealed no difference in either the overall survival (P = 0.955) or recurrence-free survival (P = 0.068) among patients who underwent OPS, and BSO. Conclusion OPS appears to be safe without having any adverse impact on survival in women aged <= 40 years with FIGO Stage I EC.
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    Can risk groups accurately predict non-sentinel lymph node metastasis in sentinel lymph node-positive endometrial cancer patients? A Turkish Gynecologic Oncology Group Study (TRSGO-SLN-004)
    (2020) Altin, Duygu; Taskin, Salih; Tokgozoglu, Nedim; Vatansever, Dogan; Guler, Adbul H.; Gungor, Mete; Tasci, Tolga; Turan, Hasan; Kahramanoglu, Ilker; Yalcin, Ibrahim; Celik, Cetin; Kose, Faruk; Ortac, Firat; Arvas, Macit; Ayhan, Ali; Taskiran, Cagatay; 33259650
    Background and Objectives The purpose of this study was to find out the risk factors associated with non-sentinel lymph node metastasis and determine the incidence of non-sentinel lymph node metastasis according to risk groups in sentinel lymph node (SLN)-positive endometrial cancer patients. Methods Patients who underwent at least bilateral pelvic lymphadenectomy after SLN mapping were retrospectively analyzed. Patients were categorized into low, intermediate, high-intermediate, and high-risk groups defined by ESMO-ESGO-ESTRO. Results Out of 395 eligible patients, 42 patients had SLN metastasis and 16 (38.1%) of them also had non-SLN metastasis. Size of SLN metastasis was the only factor associated with non-SLN metastasis (p = .012) as 13/22 patients with macrometastasis, 2/10 with micrometastasis and 1/10 with isolated tumor cells (ITCs) had non-SLN metastasis. Although all 4 metastases (1.8%) among the low-risk group were limited to SLNs, the non-SLN involvement rate in the high-risk group was 42.9% and all of these were seen in patients with macrometastatic SLNs. Conclusions Non-SLN metastasis was more frequent in higher-risk groups and the risk of non-SLN metastasis increased with the size of SLN metastasis. Proceeding to complete lymphadenectomy when SLN is metastatic should further be studied as the effect of leaving metastatic non-SLNs in-situ is not known.