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Öğe Clinicopathologic analysis and prognostic factors for survival in early stage patients with ampullary carcinoma.(Amer Soc Clinical Oncology, 2016) Ozdemir, Nuriye; Demirci, Nebi Serkan; Yuksel, Sinemis; Erdem, Gokmen Umut; Odabas, Hatice; Boruban, Melih Cem; Hacibekiroglu, Ilhan[Abstract Not Available]Öğe The effect of the gastrectomy on survival in patients with metastatic gastric cancer: a study of ASMO(Future Medicine Ltd, 2016) Yazici, Ozan; Ozdemir, Nuriye; Duran, Ayse Ocak; Menekse, Serkan; Ali, Mehmet; Sendur, Nahit; Karaca, HalitAim: To investigate the role of surgical resection of primary tumor on overall survival (OS) in advanced gastric cancer patients at the time of diagnosis. Patients & methods: The survival rates of metastatic gastric cancer patients whose gastric primary tumor was resected at time of diagnosis were compared with metastatic gastric cancer patients whose primary tumor was nonresected. Results: The median progression-free survival and OS in operated and nonoperated group were 10 versus 6, 14 versus 9 months, respectively (p < 0.001). In multivariate analysis, gastric resection of primary tumor, Eastern Cooperative Oncology Group performance status, second-line chemotherapy had a significant effect on OS (hazard ratio [HR]: 0.52 [95% CI: 0.38-0.71], HR: 0.57 [95% CI: 0.42-0.78], HR: 1.48 [1.09-2.01]; p <= 0.001, p = 0.001 and p = 0.012, respectively). Conclusion: Subpopulations of patients with metastatic gastric cancer might benefit from surgical removal of primary tumor.Öğe Multicenter experience of adult medulloblastoma: A study of Anatolian Society of Medical Oncology (ASMO)(Zerbinis Medical Publ, 2016) Esbah, Onur; Demirci, Umut; Dane, Faysal; Gunaydsin, Yusuf; Ozdemir, Nuriye; Ekinci, Ahmet Siyar; Kodaz, HilmiPurpose: Medulloblastoma (MB) is rarely seen in adults. For adjuvant therapy in adults the same therapy protocols used in pediatric cases are used. The present study retrospectively evaluated the data of MB patients who were treated in different Oncology Centers in Turkey. Methods: The data of 60 adult patients with MB from 8 Oncology Centers diagnosed between 2005 and 2012 were retrospectively analyzed. Results: The median patient age was 28.8 years (range 16-54). The administered chemotherapy included procarbazine-Flomustin vincristine (group A, N=31) and cyclophosphamide/ifosfamide+vincristine+cisplatin (group B, N=13). Median chemotherapy courses were 4 (range 1-8). Median progression free survival (PFS) was 76 months and median overall survival (OS) has not been reached in both groups. In young female patients and in those who received adjuvant chemotherapy, median PFS and OS were longer but without statistical significance. Mean PFS and OS were 65.9 months and 101.2 months in group A and 113.6 months and 141.6 months in group B, respectively. Conclusion: Improved survival results were obtained in women, in patients aged below 25 years, in those who underwent gross total excision (GTE) and in those who received adjuvant therapy with cyclophosphamide/ifosphamide.Öğe The role of the gastrectomy on survival in metastatic gastric cancer patients: A multicenter study of Anatolian Society of Medical Oncology (ASMO)(Amer Soc Clinical Oncology, 2015) Yazici, Ozan; Ozdemir, Nuriye; Duran, Ayse Ocak; Menekse, Serkan; Sendur, Mehmet Ali Nahit; Karaca, Halit; Goksel, Gamze[Abstract Not Available]
