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Outcomes of aggressive treatment in esophageal cancer patients with synchronous solitary brain metastasis 

Onal, Cem; Yildirim, Berna Akkus; Guler, Ozan Cem (2017)
The aim of the present study was to investigate the outcomes of esophageal cancer (EC) patients with isolated synchronous brain oligometastasis (oligo-BM) treated with chemoradiotherapy (CRT) of the primary site and localized ...
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Three Dimensional Conformal Radiotherapy and Androgen Deprivation Therapy in Patients with Clinically Localized Prostate Cancer; Hacettepe University Experience 

Ozdemir, Yurday; Akyol, Fadil; Ozyiğit, Gokhan; Hurmuz, Pervin; Onal, Cem; Selek, Ugur; Karabulut, Erdem (2015)
The aim of this study into evaluate the treatment results of three dimensional conformal radiotherapy (3DCRT) and androgen deprivation therapy (ADT) in patients with clinically localized prostate cancer (CLPC). Between ...
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Correlation of Clinical Risk Factors with Diffusion-Weighted Magnetic Resonance Images in Prostate Cancer Patients Treated with Definitive Radiotherapy 

Erbay, Gurcan; Onal, Cem; Guler, Ozan C.; Karadeli, Elif; Koc, Zafer (2015)
This study is aimed to correlate apparent diffusion coefficient (ADC) values and clinical T-stage, serum PSA, pathology Gleason scores. We also further analyzed whether ADC values could be used to appropriately define the ...
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Treatment outcomes of prostate cancer patients with Gleason score 8-10 treated with definitive radiotherapy 

Ozyigit, Gokhan; Onal, Cem; Igdem, Sefik; Alicikus, Zumre Arican; Iribas, Ayca; Akin, Mustafa; Yalman, Deniz; Cetin, Ilknur; Aksu, Melek Gamze; Atalar, Banu; Dincbas, Fazilet; Hurmuz, Pervin; Guler, Ozan Cem; Aydin, Barbaros; Sert, Fatma; Yildirim, Cumhur; Gorken, Ilknur Birkay; Agaoglu, Fulya Yaman; Korcum, Aylin Fidan; Yüce, Deniz; Ozkok, Serdar; Darendeliler, Emin; Akyol, Fadil (2019)
Purpose To validate the clinical outcomes and prognostic factors in prostate cancer (PCa) patients with Gleason score (GS) 8-10 disease treated with external beam radiotherapy (EBRT)+ androgen deprivation therapy (ADT) in ...
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The role of delineation education programs for improving interobserver variability in target volume delineation in gastric cancer 

Onal, Cem; Cengiz, Mustafa; Guler, Ozan C.; Dolek, Yemliha; Ozkok, Serdar (2017)
Objective: To assess whether delineation courses for radiation oncologists improve interobserver variability in target volume delineation for post-operative gastric cancer radiotherapy planning. Methods: 29 radiation ...
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Isolated jejunal metastasis in a patient with cervical cancer: A case report 

Onal, Cem; Nursal, Gul Nihal; Torer, Nurkan; Kayaselcuk, Fazilet (2015)
Background: In approximately 8% of cervical carcinoma patients, gastrointestinal tract is involved, most commonly the rectosigmoid portion, because of local extension. Isolated metastases to small bowel are exceedingly ...
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Effects of bladder distension on dose distribution of vaginal vault brachytherapy in patients with endometrial cancer 

Guler, Ozan C.; Onal, Cem; Acibuci, Ibrahim (2014)
Purpose: To investigate dosimetric effects of bladder distention on organs at risk (OARs) during treatment of endometrial cancer using 3D image-based planning of postoperative vaginal vault brachytherapy (BRT). Material ...
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Effects of Setup Errors on Dose Distribution for Tangential Wedge Field and Field-in-Field Techniques During Breast Irradiation 

Sonmez, Aydan; Onal, Cem; Sonmez, Serhat; Arslan, Gungor; Parlak, Cem; Topkan, Erkan; Yavuz, Melek (2014)
This study is aimed to evaluate the effects of setup errors on dose distribution for target volume and healthy tissue within the irradiated volume and also critical surrounding organs for breast radiotherapy (RT) using ...
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Effects of vaginal cylinder position on dose distribution in patients with endometrial carcinoma in treatment of vaginal cuff brachytherapy 

Ozdemir, Yurday; Dolek, Yemliha; Onal, Cem (2017)
Purpose: To investigate the impact of different cylinder positions on dosimetry of critical structures in patients with endometrial carcinoma undergoing three-dimensional image-based vaginal cuff brachytherapy (VCB). Material ...
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The present and future opportunities of the Rare Cancer Network: an international consortium for advancement of oncologic care 

Onal, Cem (2015)
To date, the Rare Cancer Network (RCN) has initiated more than 90 studies and 54 peer-reviewed publications were produced as a result. The Second International Symposium of the Rare Cancer Network recently took place in ...
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Onal, Cem (28)
Guler, Ozan Cem (14)Yildirim, Berna Akkus (9)Ozyigit, Gokhan (6)Gultekin, Melis (5)Yildiz, Ferah (5)Akyol, Fadil (4)Dolek, Yemliha (4)Guler, Ozan C. (4)Hurmuz, Pervin (4)... View MoreSubjectradiotherapy (6)Breast cancer (5)Radiotherapy (5)Brachytherapy (3)Cervical cancer (3)endometrial cancer (3)Prostate cancer (3)Androgen deprivation therapy (2)chemoradiotherapy (2)chemotherapy (2)... View MoreDate Issued2019 (16)2015 (5)2017 (3)2014 (2)2018 (1)2020 (1)Has File(s)Yes (17)No (11)

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