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Radyasyon Onkolojisi Anabilim Dalı
etopkan[at]baskent.edu.tr
0(312) 246 66 66

Birleşmiş Milletler Sürdürülebilir Kalkınma Amaçları

Yayın Bilgileri

1  Re: Mattila et al. ?Impact of Oral Health on the Incidence of Osteoradionecrosis and Oral Mucositis in Tonsil Cancer Patients Treated with Radiotherapy?A Retrospective Cohort Study?, Special Care in Dentistry, 45(0), 2025

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Prof Dr Ugur Selek
2  In Regard to Grippin et al, INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS, 123(1), 2025

Doç. Dr. Efsun Somay, Dr. Öğr. Üyesi Sibel Başçıl, Prof. Dr. Erkan Topkan, Prof.Dr.Uğur Selek
3  Re: ?Oral complications from treatment for Human Papilloma Virus-Positive oropharyngeal cancer?, ORAL ONCOLOGY, 11(0), 2025

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Prof Dr Ugur Selek
4  Comment on "The spectrum of late radiation sequelae in head and neck cancer", Journal of Cancer Research and Therapeutics, 21(1), 2025

Doç. Dr. Efsun Somay, Dr. Öğr. Üyesi Sibel Başçil, Dr. Öğr. Üyesi Düriye Öztürk, Prof. Dr. Erkan Topkan
5  Comment on "Benefit from adjuvant radiotherapy in early-stage oral cavity and oropharyngeal cancer with solitary ipsilateral lymph node metastasis -A population -based study on German cancer registry data", ORAL ONCOLOGY, 22(0), 2025

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Prof Dr Ugur Selek
6  Re: ?Computed tomography radiomics-based cross-sectional detection of mandibular osteoradionecrosis in head and neck cancer survivors? by Kamel et al., ORAL ONCOLOGY, 14(0), 2025

Doç. Dr. Efsun Somay, Dr. Öğr. Üyesi Sibel Başçil, Prof. Dr. Erkan Topkan, Prof.Dr Ugur Selek
7  Comment on '' Impact of Surgeon-Radiation Oncology Dyads in Oral Cavity Cancer Outcomes''., ANNALS OF SURGICAL ONCOLOGY, 12(0), 2025

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Dr. Öğr. Üyesi Sibel Başçil, Prof Dr Ugur Selek
8  Re: Gorjizad et al. Osteoradionecrosis Incidence and Dental Implant Survival in Irradiated Head and Neck CancerPatients: A Systematic Review?, Special Care in Dentistry, 45(3), 2025

Doç. Dr. Efsun Somay, Dr. Öğr. Üyesi Sibel Başçil, Prof. Dr. Erkan Topkan, Prof Dr Ugur Selek
9  Treatment-related toxicity in head and neck cancer patients treated with proton therapy is less common than with conventional radiotherapy, Clinical and Translational Radiation Oncology, 13(0), 2025

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Prof Dr Ugur Selek
10  Oral Toxities Following CAR T-Cell Therapy:An Overlooked Clinical Reality, Acta Scientific Dental Sciences, 9(10), 2025

Doç. Dr. Efsun Somay, Dr. Öğr. Üyesi Sibel Başçıl, Prof. Dr. Erkan Topkan, Prof.Dr Uğur Selek
11  Re:Mattila et al.Impact of Oral Health on the Incidence of Osteoradionecrosis and Oral Mucositis in Toncil Cancer Patients Treated with Radiotherapy- A Retrospective Cohort Study, Special Care in Dentistry, 45(3), 2025

Doç. Dr. Efsun Somay, Dr. Öğr. Üyesi Sibel Başçil, Prof. Dr. Erkan Topkan, Prof.Dr. Uğur Selek
12  Reply to Eaton Et al., oral surgery, 0(0), 2025

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Dr. Öğr. Üyesi Sibel Başçil, Doç Dr Nilufer Kılıç Durankuş
13  Comment on Tso et al., Special Care in Dentistry, 45(4), 2025

Doç. Dr. Efsun Somay, Dr. Öğr. Üyesi Sibel Başçil, Prof. Dr. Erkan Topkan, Prof Dr. Uğur Selek
14  Commentary on ?Predictors of survival among head and neck cancer patients after radiotherapy based on health?related quality of life indices and symptoms?specific outcomes: a systematic review?, QUALITY OF LIFE RESEARCH, 13(0), 2025

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Prof Dr Ugur Selek
15  Re: Martínez-Herrera et al Titled ?Quality of Life and Functionality of Head and Neck Cancer Patients Are Diminished as a Function of Sarcopenia and Obesity?, Ear, 13(0), 2025

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Prof Dr Ugur Selek
16  Comment on: Concurrent chemoradiotherapy versus radiotherapy alone in postoperative high-risk adenoid cystic carcinoma of the head and neck: A propensity score-matched analysis, Clinical and Translational Radiation Oncology, 12(0), 2025

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Prof Dr Ugur Selek
17  The Connection Between Oral Frailty and Head and Neck Cancer: A Concise Review, Acta Scientific Medical Sciences, 9(6), 2025

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Dr. Öğr. Üyesi Sibel Başçil, Prof Dr Uğur Selek
18  Prechemoradiotherapy number of natural teeth as a prognostic factor in patients with locally advanced nasopharyngeal cancer: A retrospective observational study, JOURNAL OF INTERNATIONAL MEDICAL RESEARCH, 12(0), 2025

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Dr. Öğr. Üyesi Sibel Başçıl, Dr Öğr Üyesi Duriye Ozturk, Prof Dr Ugur Selek
19  Radiation-Induced Changes in the Temporomandibular Joint and Synovial Fluid Leading to Radiation-Induced Trismus, Acta Scientific Dental Sciences, 8(7), 2024

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Dr. Öğr. Üyesi Sibel Başçil, Prof Dr Ugur Selek
20   Periodontitis can Negatively Impact the Survival Outcomes of Cancer Patients, oral oncology reports, 10(0), 2024

Doç. Dr. Efsun Somay, Dr. Öğr. Üyesi Sibel Başçil, Dr.Öğr.Üyesi Düriye Öztürk, Prof. Dr. Erkan Topkan
21  Comment on prospective comparison of acute severe toxicities between smokers and non-smokers during radiotherapy for head and neck cancers , ORAL ONCOLOGY, 155(0), 2024

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Dr. Öğr. Üyesi Sibel Başçil, Prof Dr Ugur Selek
22  PRE-CHEMORADIOTHERAPY HIGH PLATELET COUNTS PREDICT JAW OSTEORADIONECROSIS IN LOCALLY ADVANCED NASOPHARYNGEAL CARCINOMAPATIENTS, Journal of Stomatology Oral and Maxillofacial Surgery, 23(0), 2024

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Doç Dr Ahmet Küçük, Dr. Öğr.Üyesi.Düriye Öztürk, Doç Dr. Emine Elif Özkan, Doç Dr Beyza Özdemir, Doç. Dr Ali Ayberk Beşen, Prof Dr Hüseyin Mertsoylu, Prof Dr Berrin Pehlivan, Prof Dr Uğur Selek
23  Comment on: Does the Planning Target Volume Correlate with Toxicity for Head and Neck Cancer Patients Undergoing Radiation? A Prospective Observational Study, Indian Journal of Surgical Oncology, 21(0), 2024

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Doç Dr Ali Ayberk Besen, Prof Dr Hüseyin Mertsoylu
24  Comment on Kittichet et al. (doi: 10.1111/odi.14905), ORAL DISEASES, 21(0), 2024

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Prof Dr Berrin Pehlivan, Prof Dr Ugur Selek
25  Letter to Editor: ?The Trajectory of Oral Mucositis in Head and Neck Cancer Patients Undergoing Radiotherapy and Its Influencing Factors?, Ear Nose and Throat, 21(0), 2024

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Doç Dr Ali Ayberk Besen, Prof Dr Hüseyin Mertsoylu
26  Global immune-nutrition-inflammation index as a novel comprehensive biomarker in predicting the radiation-induced trismus rates in locally advanced nasopharyngeal carcinoma patients, Biomolecules&Biomedicine, 24(6), 2024

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Dr. Öğr. Üyesi Sibel Başçil, Dr. Öğr.Üyesi Nilüfer Durankuş, Dr. Öğr.Üyesi. Şükran Şenyürek, Dr. Öğr.Üyesi.Düriye Öztürk, Prof Dr Berrin Pehlivan, Prof Dr Ugur Selek
27  The Ongoing Unnecessary Debate Regarding the Risk Factors for Osteoradionecrosis of the Jaw: Prescription Dose versus Mandibular Doses, oral oncology reports, 10(0), 2024

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Dr Öğr Üyesi Düriye Öztürk, Dr. Öğr. Üyesi Sibel Başçil, Prof Dr Uğur Selek
28  Toxicities and prognostic factors in elderly HPV?associated oropharyngeal cancer patients treated with radiotherapy or chemoradiotherapy, journal of medical virology, 1(0), 2024

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Prof. Dr . Ugur Selek
29  Worth of pan-immune-inflammation value in trismus prediction after concurrent chemoradiotherapy for nasopharyngeal carcinomas, International Journal of Biological Markers, 9(0), 2024

Doç. Dr. Efsun Somay, Doç Dr Busra Yılmaz, Prof. Dr. Erkan Topkan, Doç. Dr. Beyza Sirin Ozdemir, Dr.Öğr.Üyesi. Düriye Öztürk, Doç. Dr Ali Ayberk Besen, Prof Dr Hüseyin Mertsoylu, Prof. Dr. Ugur Selek
30  Pretreatment Masseter Muscle Volume Predicts Survival in Locally Advanced Nasopharyngeal Carcinoma Patients Treated with Concurrent Chemoradiotherapy, Journal of Clinical Medicine, 14(0), 2024

Doç Dr Büşra Yılmaz, Doç Dr Ali Ayberk Besen, Prof Dr Hüseyin Mertsoylu, Prof Dr Ugur Selek, Prof. Dr. Erkan Topkan
31  Comment on: Radiotherapy and long-term sequelae in pediatric patients with parameningeal rhabdomyosarcoma: Results of two Cooperative Weichteilsarkom Studiengruppe (CWS) trials and one registry, Pediatric Blood & Cancer, 13(1), 2024

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Prof Dr Ugur Selek
32  The unique CARWL score stratifies locally advanced nasopharyngeal cancer patients receiving concurrent chemoradiotherapy into risk groups for radiation-induced trismus, Discover Oncology, 15(1), 2024

Dr Sükran Senyurek, Doç. Dr. Efsun Somay, Dr Nilufer Kılıç Durankuş, Dr. Öğr. Üyesi Sibel Başçil, Dr. Duriye Öztürk, Prof Dr Ugur Selek, Prof. Dr. Erkan Topkan
33  Predicting osteoradionecrosis risk in patients with locoregionally advanced nasopharyngeal carcinoma undergoing concurrent chemoradiotherapy: the value of the CARWL index, biomolecules and biomedicine, 25(1), 2024

Dr. Öğr. Üyesi. Nilüfer Kılç Durankuş, Doç. Dr. Efsun Somay, Dr. Öğr. Üyesi Sibel Başçil, Dr. Öğr. Üyesi. Şükran Şenyürek, Dr. Öğr. Üyesi. Düriye Öztürk, Prof Dr Ugur Selek, Prof. Dr. Erkan Topkan
34  The Prediction of Radiation-Induced Trismus by the Apparent Diffusion Coefficient Values of Masseter Muscles before Chemoradiotherapy in Locally Advanced Nasopharyngeal Carcinomas, Diagnostics, 24(0), 2024

Dr. Öğr. Üyesi Umur Anil Pehlivan, Doç. Dr. Efsun Somay, Öğr.Gör.Dr. Çiğdem Yalçin Ulaş, Prof. Dr. Erkan Topkan
35  In regard to Castagnola et al. (doi: 10.1186/ s12903-023-03050-7), BMC Oral Health, 23(0), 2024

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Prof Dr Ugur Selek
36  Comment on:The relevance of dental management prior to radiation therapy with severe oral mucositis in head and neck cancer patients., Journal of Dental Sciences, 19(4), 2024

Prof. Dr. Erkan Topkan, Dr. Öğr. Üyesi Sibel Başçil, Prof.Dr.Ugur Selek
37  Comment on: Re-irradiation versus systemic therapy for the management of local-regionally recurrent head and neck cancer, RADIOTHERAPY AND ONCOLOGY, 22(0), 2024

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Prof Dr Ugur Selek
38  The Impact of Oral Health and Antibiotics on the Outcomes of Head and Neck Cancer Patients Receiving Anticancer Therapies: Two Interrelated Conditions, Acta Scientific Dental Sciences, 8(11), 2024

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Dr. Öğr. Üyesi Sibel Başçil, Dr. Duriye Ozturk, Dr Sukran Senyurek, Prof Dr Ugur Selek
39  Novel Index Combining Pan-Immune-Inflammatory Index and Hemoglobin Levels (PIV/Hb) Predicts Trismus Rates Efficiently after Chemoradiotherapy in Locally Advanced Nasopharyngeal Cancer, International Journal of Surgical Oncology, 11(0), 2024

Doç. Dr. Efsun Somay, Doç. Dr Büşra Yılmaz, Prof. Dr. Erkan Topkan, Doç Dr Beyza Sirin Özdemir, Dr. Öğr. Üyesi. Duriye Özturk, Doç. Dr Ali Ayberk Besen, Prof Dr Hüseyin Mertsoylu, Prof Dr Ugur Selek
40  Underrated But Significant Risk Factors of Osteoradionecrosis of the Jaw in Patients With Head and Neck Cancer, JOURNAL OF CLINICAL ONCOLOGY, 11(0), 2024

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Dr. Öğr. Üyesi Sibel Başçil, Prof.Dr.Berrin Pehlivan
41  Topkan~'~s CARWL Index Efficiently Predicts the Radiation-Induced Tooth Loss Rates in Radically Treated Locally Advanced Nasopharyngeal Cancer Patients, TECHNOLOGY IN CANCER RESEARCH & TREATMENT, 23(0), 2024

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Dr. Öğr. Üyesi Sibel Başçil, Dr. Duriye Öztürk, Dr. Sükran Senyürek, Dr. Nilüfer Kılıç Durankus, Prof Dr Ugur Selek
42  Evidence-based Practical Recommendations for Prevention and Management of Radiation-induced Trismus, Turkish Journal of Oncology, 39(4), 2024

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Dr. Nilufer Kılıç Durankuş, Dr. Şükran Şenyürek, Dr. Öğr. Üyesi Sibel Başçil, Prof Dr Ugur Selek
43   Comment on `Osteoradionecrosis incidence in pre- radiation teeth extractions: A prospective study, ORAL DISEASES, 3(0), 2024

Doç. Dr. Efsun Somay, Dr Öğr Üyesi Düriye Öztürk, Prof. Dr. Erkan Topkan
44  RE: Impact of Cancer Localization on Symptom Burden and Quality of Life in Head and Neck Cancers: A Comparative Study, Ear Nose and Throat, 11(0), 2024

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Prof Dr Ugur Selek
45  The presence of myopenia alone is not sufficient for a diagnosis of sarcopenia, Japanese Journal of Radiology, 6(0), 2024

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Dr. Öğretim Üyesi Şükran Şenyürek
46  Comment on: Assessment of Prevalence and Factors Affecting Trismus in Cases of Oral and Oropharyngeal Malignancies after Complete Treatment, Indian Journal of Otolaryngology and Head & Neck Surgery, 12(0), 2024

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Dr. Öğretim Üyesi Duriye Ozturk, Prof Dr Ugur Selek
47  Comment on Survivin -31G/C polymorphism and disease fate in of oral squamous cell carcinomas, Journal of Stomatology Oral and Maxillofacial Surgery, 12(0), 2024

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Prof Dr Uğur Selek
48  The Use of Pre-Chemoradiotherapy Total Masseter Muscle Volume as a Novel Predictor of Radiation-Induced Trismus in Locally Advanced Nasopharyngeal Carcinoma Patients, Tomography, 10(1), 2024

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Dr. Öğr. Üyesi Umur Anil Pehlivan, Doç Dr Busra Yılmaz, Doç Dr Ali Ayberk Besen, Prof Dr Hüseyin Mertsoylu, Prof Dr Berrin Pehlivan, Prof Dr Ugur Selek
49  Comment on: Risk prediction of complicated course in patients undergoing major head and neck surgery with free flap reconstruction, BRITISH JOURNAL OF ORAL & MAXILLOFACIAL SURGERY, 11(0), 2024

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Dr. Duriye Ozturk, Dr Sukran Senyürek
50  Causes of Delays in Starting Postoperative Radiotherapy Among Head and Neck Cancer Patients, OTOLARYNGOLOGY-HEAD AND NECK SURGERY, 21(0), 2024

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Prof Dr Ugur Selek
51  Predicting Teeth Extraction after Concurrent Chemoradiotherapy in Locally Advanced Nasopharyngeal Cancer Patients Using the Novel GLUCAR Index, Diagnostics, 21(0), 2023

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Doç Dr Büşra Yılmaz, Doç Dr Ali Ayberk Besen, Prof Dr Hüseyin Mertsoylu, Prof Dr Ugur Selek
52  Comment on: The extent of unnecessary tooth loss due to extractions prior to radiotherapy based on radiation field and dose in patients with head and neck cancer, RADIOTHERAPY AND ONCOLOGY, 13(0), 2023

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Prof Dr Ugur Selek
53  Toxicity with proton therapy for oral and/or oropharyngeal cancers, JOURNAL OF ORAL PATHOLOGY & MEDICINE, 52(0), 2023

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Doç Dr Büşra Yılmaz, Prof Dr Uğur Selek
54  RE: Is Dose Volume a Better Predictor of Osteoradionecrosis Risk Than Total Dose for Patients Who Have Received Head and Neck Radiation?, JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY, 81(0), 2023

Prof. Dr. Erkan Topkan, Doç Dr Büşra Yılmaz, Doç Dr Efsun Somay, Doç Dr Ahmet Küçük, Doç. Dr. Efsun Somay
55  In Reference to Difficult Tracheal Intubation and Airway Outcomes After Radiation for Nasopharyngeal Carcinoma, LARYNGOSCOPE, 23(0), 2023

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Prof Dr Ugur Selek
56   In Regard to Anderson et al, INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS, 115(0), 2023

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Doç Dr Büşra Yılmaz
57   Comment on: Quality of life after segmental mandibulectomy and free flap for mandibular osteonecrosis: Systematic review, AMERICAN JOURNAL OF OTOLARYNGOLOGY, 44(0), 2023

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay
58  Comment on "Osteoradionecrosis versus Cancer Recurrence: An Unresolved Clinical Dilemma" (DOI: 10.1159/000527261), ORL-Journal for Oto-Rhino-Laryngology Head and Neck Surgery, 85(0), 2023

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Doç Dr Ahmet Küçük, Prof Dr Uğur Selek
59  In reply to Cheng et al. (DOI: 10.1186/s13550-023-00965-8), EJNMMI Research, 13(0), 2023

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Prof Dr Berrin Pehlivan, Prof Dr Uğur Selek
60  The predictive usefulness of the novel "combined hemoglobin-to-platelet ratio and maximum mouth opening index" on prevalence of radiation induced trismus in patients with nasopharyngeal cancer, HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK, 45(0), 2023

Doç Dr Efsun Somay, Doç. Dr Büşra Yılmaz, Prof. Dr. Erkan Topkan, Doç. Dr Ahmet Küçük, Prof Dr Berrin Pehlivan, Prof . Dr Uğur Selek
61  Comment on: Evaluation of halitosis parameters in patients undergoing head and neck radiotherapy, ORAL DISEASES, 13(0), 2023

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Prof Dr Uğur Selek
62  Pre-chemoradiotherapy low hemoglobin levels indicate increased osteoradionecrosis risk in locally advanced nasopharyngeal cancer patients, EUROPEAN ARCHIVES OF OTO-RHINO-LARYNGOLOGY, 280(0), 2023

Doç Dr Büşra Yılmaz, Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Prof Dr Berrin Pehlivan, Prof Dr Uğur Selek
63  The predictive value of pretreatment hemoglobin-to-platelet ratio on osteoradionecrosis incidence rates of locally advanced nasopharyngeal cancer patients managed with concurrent chemoradiotherapy, BMC Oral Health, 23(0), 2023

Doç. Dr Büşra Yılmaz, Doç Dr Efsun Somay, Prof. Dr. Erkan Topkan, Doç. Dr Ahmet Küçük, Prof Dr Berrin Pehlivan, Prof Dr Uğur Selek
64  Letter to editor in regard to Sunderasan et al. (https://doi.org/10.1111/scd.12801), Special Care in Dentistry, 30(0), 2023

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan
65  Letter to the Editor regarding "Long?term swallow outcomes and factors affecting swallowing dysfunction and quality of life among oral cancer patients: a prospective observational study" by Thaduri et al. Eur Arch Otorhinolaryngol. 2023 Aug 7. doi: 10.1007/s00405-023-08155-x, EUROPEAN ARCHIVES OF OTO-RHINO-LARYNGOLOGY, 18(0), 2023

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Prof Dr Ugur Selek
66  Comment on: Quality of life after segmental mandibulectomy and free flap for mandibular osteonecrosis: Systematic review, AMERICAN JOURNAL OF OTOLARYNGOLOGY, 44(0), 2023

Prof. Dr. Erkan Topkan
67  In Regard to Nath et al. (2022) (doi: 10.1007/s12070-021-02941-x), Indian Journal of Otolaryngology and Head & Neck Surgery, 75(0), 2023

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan
68  Review of Osteoradionecrosis of the Jaw: Radiotherapy Modality, Technique, and Dose as Risk Factors, Journal of Clinical Medicine, 12(0), 2023

Prof. Dr. Erkan Topkan, Doç Dr Ahmet Küçük, Doç Dr Efsun Somay, Doç Dr Büşra Yılmaz, Prof Dr Berrin Pehlivan, Prof Dr Uğur Selek, Doç. Dr. Efsun Somay
69  Comment on: Risk factors for osteoradionecrosis of the jaw in patients with oral or oropharyngeal cancer: Verification of the effect of tooth extraction before radiotherapy using propensity score matching analysis, Journal of Dental Sciences, 2(0), 2023

Doç Dr Büşra Yılmaz, Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan
70  In reply to Chatzopoulos et. al (https://doi.org/10.1016/j.jormas.2022.10.013), Journal of Stomatology Oral and Maxillofacial Surgery, 124(0), 2023

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay
71  Response to outcomes of immediate dental implants in vascularised bone flaps for mandibular reconstruction, ANZ JOURNAL OF SURGERY, 93(0), 2023

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan
72  Valero's host index is useful in predicting radiation-induced trismus and osteoradionecrosis of the jaw risks in locally advanced nasopharyngeal carcinoma patients, BMC CANCER, 23(1), 2023

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Doç Dr Büşra Yilmaz, Prof Dr Berrin Pehlivan, Prof Dr Uğur Selek
73  The predictive value of pretreatment hemoglobin-to-platelet ratio on osteoradionecrosis incidence rates of locally advanced nasopharyngeal cancer patients managed with concurrent chemoradiotherapy, BMC Oral Health, 23(0), 2023

Doç. Dr. Efsun Somay, Doç Dr Büşra Yılmaz, Prof. Dr. Erkan Topkan, Doç Dr Ahmet Küçük, Prof Dr Berrin Pehlivan, Prof Dr Uğur Selek
74  Comment on "Trismus surgery and microsurgical reconstruction after oral cancer treatment", JOURNAL OF SURGICAL ONCOLOGY, 127(0), 2023

Doç. Dr. Efsun Somay, Doç Dr Ahmet Küçük, Prof. Dr. Erkan Topkan
75  In Reply to Saenthaveesuk et al, JDR Clinical & Translational Research, 12(0), 2023

Prof. Dr. Erkan Topkan, Doç Dr Efsun Somay, Prof Dr Uğur Selek, Doç. Dr. Efsun Somay
76  Letter to the Editor: Comment on Chiu TH, et al. A Comparison Study of Outcomes and Complications Between Marginal Mandibulectomy With or Without Additional Mandibulotomy in Tongue Cancers (Ann Plast Surg. 2023;90(1 suppl 1):S37-S43), ANNALS OF PLASTIC SURGERY, 90(0), 2023

Doç. Dr. Efsun Somay, Doç Dr Ahmet Küçük, Prof. Dr. Erkan Topkan
77  In regard to recent published study of Lombardi et al. titled 'Pentoxifylline and tocopherol for prevention of osteoradionecrosis in patients who underwent oral surgery: A clinical audit'. (Spec Care Dentist. 2022;10.1111/scd.12759. https://doi.org/10.1111/scd.12759), Special Care in Dentistry, 23(0), 2023

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Doç Dr Büşra Yılmaz
78  The influence of antibiotic administration on the outcomes of head-and-neck squamous cell carcinoma patients undergoing definitive (chemo)radiation, EUROPEAN ARCHIVES OF OTO-RHINO-LARYNGOLOGY, 280(0), 2023

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan
79  In Regard to Faravel et al. 2022: "Trismus Occurrence and Link With Radiotherapy Doses in Head and Neck Cancer Patients Treated With Chemoradiotherapy", INTEGRATIVE CANCER THERAPIES, 22(0), 2023

Doç. Dr. Efsun Somay, Doç Dr Büşra Yılmaz, Prof. Dr. Erkan Topkan
80  RE: What Risk Factors Are Associated With Poorer Quality of Life in Patients with Head and Neck Cancer?, JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY, 81(0), 2023

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Prof Dr Uğur Selek
81   Letter to the editor: preoperative evaluation of oral hygiene may predict the overall survival of patients with esophageal cancer., Esophagus, 23(0), 2023

Prof. Dr. Erkan Topkan, Doç Dr Busra Yılmaz, Doç. Dr. Efsun Somay
82  Letter re: Reduced-dose radiotherapy for Epstein-Barr virus DNA selected staged III nasopharyngeal carcinoma: A single-arm, phase 2 trial, Europian Journal of Cancer, 21(0), 2023

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Prof Dr Ugur Selek, Prof Berrin Pehlivan
83  Comment on ?A systematic review and meta-analysis of osteoradionecrosis following proton therapy in patients with head and neck cancer?, ORAL ONCOLOGY, 13(0), 2023

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Prof Uğur Selek
84  Comment on ?A systematic review and meta-analysis of osteoradionecrosis following proton therapy in patients with head and neck cancer, ORAL ONCOLOGY, 149(0), 2023

Prof. Dr. Erkan Topkan, Prof Dr Ugur Selek
85  Comments on: Carcinoma buccal mucosa treated with definitive hypofractionated accelerated radiotherapy: a retrospective analysis of treatment outcomes, SINGAPORE MEDICAL JOURNAL, 21(0), 2023

Doç. Dr. Efsun Somay, Doç Dr Büşra Yılmaz, Prof. Dr. Erkan Topkan, Prof Dr Ugur Selek
86  Contralateral breast radiation doses in breast cancer patients treated with helical tomotherapy, Medical Dosimetry, 48(1), 2023

Ezgi Oymak 1, Prof. Dr. Erkan Topkan, Recep Bozca 2, Prof. Dr. Ozan Cem Güler, Prof. Dr. Hüseyin Cem Önal
87  Further analysis desirable, BRITISH DENTAL JOURNAL, 12(0), 2022

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Doç Dr Büşra Yılmaz
88  Initial neutrophil-to-lymphocyte ratio predicts radiation-induced trismus in parotid gland cancer, ORAL DISEASES, 8(0), 2022

Doç. Dr. Efsun Somay, Doç Dr Büşra Yılmaz, Prof. Dr. Erkan Topkan, Doç Ahmet Küçük, Prof Dr Berrin Pehlivan, Prof Uğur Selek
89  Low hemoglobin levels predict increased radiation-induced trismus rates in nasopharyngeal cancer, ORAL DISEASES, 21(0), 2022

Doç. Dr. Efsun Somay, Doç. Dr Büşra Yılmaz, Prof. Dr. Erkan Topkan, Prof Dr Berrin Pehlivan, Prof Dr Uğur Selek
90  Comment on: Required time for pre-oncological dental management - A rapid review of the literature, ORAL ONCOLOGY, 134(0), 2022

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Doç Dr Büşra Yılmaz, Doç. Dr Ahmet Küçük
91  In reply to Shih YJ et.al. (doi: 10.1111/odi.14349), ORAL DISEASES, 34(0), 2022

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Doç Dr Büşra Yılmaz
92  In regard to recent published study of Massaccesi et al. titled 'A predictive nomogram for trismus after radiotherapy for head and neck cancer'. (Radiother Oncol. 2022 Jun 2: S0167-8140(22)04137-8. doi: 10.1016/j.radonc.2022.05.031), RADIOTHERAPY AND ONCOLOGY, 25(0), 2022

Prof. Dr. Erkan Topkan, Doç. Dr. Efsun Somay, Doç Dr Büşra Yılmaz
93  Pretreatment Systemic Immune-Inflammation Index Predict Needs for Teeth Extractions for Locally Advanced Head and Neck Cancer Patients Undergoing Concurrent Chemoradiotherapy, Therapeutics and Clinical Risk Management, 17(0), 2021

Doç. Dr Büşra Yılmaz, Doç. Dr. Efsun Somay, Prof Dr Uğur Selek, Prof. Dr. Erkan Topkan
94  Definitive concurrent chemoradiotherapy outcomes in Stage IIIB nonsmall cell lung cancer patients younger than 45 years: A retrospective analysis of 145 patients, Journal of Cancer Research and Therapeutics, 16(4), 2020

Prof. Dr. Erkan Topkan, Prof. Dr. Ozan Cem Güler, Doç. Dr. Yurday Özdemir
95  Pretreatment Photopenia on 18F-Fluorodeoxyglucose Positron Emission Tomography-Computed Tomography Scans Predicts Poor Prognosis in Nasopharyngeal Cancer Patients Undergoing Concurrent Chemoradiotherapy., CLINICAL AND EXPERIMENTAL OPHTHALMOLOGY, 13(0), 2020

Prof. Dr. Erkan Topkan, Uğur Selek, Hüseyin Mertsoylu, Doç. Dr. Yurday Özdemir, Ahmet Küçük, Doç. Dr. Neşe Torun, Ali Ayberk Beşen
96  Local Control and Vertebral Compression Fractures Following Stereotactic Body Radiotherapy for Spine Metastases, Journal of Bone Oncology, 24(15), 2019

Doç. Dr. Yurday Özdemir, Doç. Dr. Neşe Torun, Prof. Dr. Ozan Cem Güler, Berna Akkuş, Ali Ayberk Beşen, Doç. Dr. Aylin Güneşli, Prof. Dr. Hüseyin Cem Önal, Prof. Dr. Erkan Topkan
97  Retrospective comparison of standard and escalated doses of radiotherapy in newly diagnosed glioblastoma patients treated with concurrent and adjuvant temozolomide, INDIAN JOURNAL OF CANCER, 56(1), 2019

Prof. Dr. Ozan Cem Güler, Yıldırım Ba, Prof. Dr. Hüseyin Cem Önal, Prof. Dr. Erkan Topkan
98  Stereotaktik radyocerrahi uygulanan vertebra metastazlarında yanıt değerlendirmesinde PET-BT?nin yeri, Cukurova Medical Journal, 44(1), 2018

Doç. Dr. Yurday Özdemir, Doç. Dr. Neşe Torun, Prof. Dr. Erkan Topkan
99   High Prognostic Nutritional Index Relates with Enhanced Survival in Rectal Cancer Patients Treated with Neoadjuvant Chemoradiotherapy, Wulfenia, 0(0), 2016

Yıldırım Ba, Özdemir Y, Prof. Dr. Ozan Cem Güler, Prof. Dr. Erkan Topkan
100  Safety and Palliative Efficacy of Single-Dose 8-Gy Reirradiation for Painful Local Failure in Patients With Stage IV Non-Small Cell Lung Cancer Previously Treated With Radical Chemoradiation Therapy, INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS, 91(4), 2015

Prof. Dr. Erkan Topkan, Yıldırım Ba, Prof. Dr. Ozan Cem Güler, Parlak C, Pehlivan B, Selek U
101  Definitive Chemoradiation Therapy Following Surgical Resection or Radiosurgery Plus Whole-Brain Radiation Therapy in Non-Small Cell Lung Cancer Patients With Synchronous Solitary Brain Metastasis: A Curative Approach, INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS, 88(4), 2014

Parlak C, Mertsoylu H, Prof. Dr. Ozan Cem Güler, Prof. Dr. Hüseyin Cem Önal, Prof. Dr. Erkan Topkan
102  Comparison of computed tomography- and positron emission tomography-based radiotherapy planning in cholangiocarcinoma, Oncologie, 36(9), 2013

Prof. Dr. Hüseyin Cem Önal, Prof. Dr. Erkan Topkan, Prof. Dr. Ali Fuat Yapar, S Topuk, A Yavuz
103  Plasma citrulline levels predict intestinal toxicity in patients treated with pelvic radiotherapy., ACTA ONCOLOGICA, 50(8), 2011

Prof. Dr. Melek Nur Yavuz, Prof. Dr. Hüseyin Cem Önal, A Kötek, Uzm.Dr. Birsel Ünal, Prof. Dr. Erkan Topkan, A Yavuz, G Arslan
104  Protective effects of melatonin and octreotide against radiation-induced intestinal injury., DIGESTIVE DISEASES AND SCIENCES, 56(2), 2011

Prof. Dr. Melek Nur Yavuz, Prof. Dr. Hüseyin Cem Önal, Prof. Dr. Fazilet Kayaselçuk, Prof. Dr. Erkan Topkan, D Bacanlı, A Yavuz
105   Comparison of rectal volume definition techniques and their influence on rectal toxicity in patients with prostate cancer treated with 3D conformal radiotherapy: a dose-volume analysis, Radiation Oncology, 11(0), 2009

Prof. Dr. Melek Nur Yavuz, Prof. Dr. Hüseyin Cem Önal, Prof. Dr. Erkan Topkan, A Yavuz, E Efe, S Sönmez
106  The effect of concurrent androgen deprivation and 3D conformal radiotherapy on prostate volume and clinical organ doses during the course of treatment in prostate cancer, BRITISH JOURNAL OF RADIOLOGY, 82(0), 2009

Prof. Dr. Melek Nur Yavuz, Prof. Dr. Hüseyin Cem Önal, A Yavuz, G Arslan, Prof. Dr. Erkan Topkan, E Efe
107  Comparison of conventional and CT-based planning for intracavitary brachytherapy for cervical cancer: target volume coverage and organs at risk doses., J Exp Clin Cancer Res, 28(0), 2009

Prof. Dr. Melek Nur Yavuz, Prof. Dr. Hüseyin Cem Önal, A Yavuz, G Arslan, Prof. Dr. Erkan Topkan, B Pehlivan, E Oymak
108   Managing liver metastases with conformal radiation therapy, J SUPPORT ONCOL, 1(0), 2008

Prof. Dr. Melek Nur Yavuz, Prof. Dr. Erkan Topkan, Prof. Dr. Hüseyin Cem Önal

Kitap Bölümü Bilgileri

1  Multiparametric Magnetic Resonance Imaging of Salivary Gland Tumors, In:Interdisciplinary Cancer Research, 1-19, 2024

Dr. Öğr. Üyesi Umur Anil Pehlivan, Prof. Dr. Hasan Yerli, Öğr.Gör.Dr. Çiğdem Yalçin Ulaş, Prof. Dr. Erkan Topkan
2  Periodontal Diseases and Its Consequences in Head and Neck Cancer Patients Receiving Radiotherapy, In:Head and Neck Cancers: An Interdisciplinary Cancer Approach, 231-250, 2024

Dr. Öğr. Üyesi Sibel Başçil, Prof. Dr. Erkan Topkan, Prof Dr Ugur Selek
3  Influence of Radiation-Induced Xerostomia on Tooth Loss in Head and Neck Cancer Patients, In:Interdisciplinary Cancer Research, 1-19, 2024

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Dr. Öğr. Üyesi Sibel Başçil, Prof Dr Uğur Selek
4  Periodontal Diseases and Its Consequences in Head and Neck Cancer Patients Receiving Radiotherapy, In: Interdisciplinary Cancer Research, 1-20, 2024

Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan, Prof Dr Ugur Selek
5  Intricate Relationship Between Radiation-Induced Trismus and Inflammation, In:Interdisciplinary Cancer Research, 1-16, 2023

Dr. Düriye Öztürk, Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan
6  Assessment of the Impact of Osteoradionecrosis on Quality-of-Life Measures in Patients with Head and Neck Cancer, In:Advancement in Cancer Research , 2-25, 2023

Doç Dr Büşra Yılmaz, Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan
7  Challenges in the Radiological Diagnosis of Osteoradionecrosis of the Jaw in Head and Neck Cancer Patients., In:Advancement in Cancer Research, 24-48, 2022

Doç Dr Büşra Yılmaz, Doç. Dr. Efsun Somay, Prof. Dr. Erkan Topkan