Scopus İndeksli Yayınlar Koleksiyonu
Permanent URI for this collectionhttps://hdl.handle.net/11727/4809
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Item Prognostic Factors Affecting Survival in Patients with Ovarian Cancer: A 5-Year Experience in an University Hospital(2017) Ayhan, Ali; Pinar, Guel; Pinar, Tevfik; Durukan, Ayse; AAJ-5802-2021The aim if this study is to explore the impact of the various prognostic factors on overall survival in women with ovarian cancer (00). Patients diagnosed with gynecologic malignancy in Gynecology Clinic of Baskent University Medicine Faculty between 2010 and 2015 included to study. Patients with ovarian (n= 112) cancers examined retrospectively. Kaplan-Meier, Univariate and Multivariate Cox regression model were performed to estimate for associations of potential variables with survival factors. The mean patient age was 56.4 y, range 20-80. The overall survival was 94.3%, 83.4%, 66.4%, 54.7% and 42.8% at 1, 2 3, 4 and 5 years respectively (60.5 months, range 43-68). 3-year disease-free survival was 25.3% (18.3 months, range 17-20). Multivariate analysis of patients indicated that stage, histology, grade, age at diagnosis, comorbidity, recurrence, BMI, menopausal status and regional distance were independent prognostic factors on survival (p< 0.05). In conclusion, these results will presents a framework to identify fundamental causes in survival for OC.Item Enhancer of zeste homologue 2 (EZH2) expression in synovial sarcomas as a promising indicator of prognosis(2017) Ozgun, Gonca; Yalcinkaya, Ulviye; Ugras, Nesrin; Ocakoglu, Gokhan; Deligonul, Adem; Cetintas, Sibel Kahraman; Bilgen, Muhammed Sadik; 28738014Synovial sarcoma (SS) is a type of soft-tissue sarcoma, often linked to poor survival. Although overexpression of enhancer of zeste homologue 2 (EZH2) has been associated with poor prognosis in different tumors, a few studies investigated this link in SS. Here, we analyzed the relationship between EZH2 expression and prognostic factors in SS. We included 29 patients with SS. Immunostaining of EZH2 was performed with (D2C9) XP (TM) Rabbit mAb antibody, and the results were classified as low EZH2 expression (negative or weak expression) and high EZH2 expression category (moderate or strong expression). Analysis of survival in relation to prognostic factors was performed with Kaplan-Meier survival curves and Cox proportional hazard regression analysis. Our sample included 19/29 female and 10/29 male patients, with age range 16-63 years. The tumor diameter ranged from 2 to 15 cm. Necrosis was observed in 15/29 cases. Sixteen cases had > 10 mitoses per 50 high-power fields (HPFs). Out of 29 cases, 14 showed low and 15 had high EZH(2) expression. Statistically significant results were obtained for the association between the presence of metastasis and necrosis (p = 0.042), high EZH2 expression and distant metastasis (p = 0.018), high EZH2 expression and necrosis (p = 0.016), and high EZH2 expression and the tumor size > 5 cm versus tumor size <= 5 cm (p = 0.014). Patients with all of the following: the tumor size <= 5 cm, low EZH2 expression, and without necrosis and distant metastasis had significantly longer survival time. Our results are consistent with previous studies, suggesting that EZH(2) overexpression is an indicator of poor prognosis in SS.