Page 17 - Best MRI of one area doctors: TOP 517 doctors

Experience

2016 - 2019 Private Gebze Konak Hospital

2014 - 2015 Private Medicana Camlica Hospital

2013 - 2014 Private Batman Hospital

2011 - 2013 Batman Regional State Hospital

Uskudar University

Gazi University Faculty of Medicine

Education

2011 Bezmialem Vakıf University Faculty of Medicine, Physical Medicine and Rehabilitation

2005 Marmara University, Faculty of Medicine in English

Experience

2017 - 2019 Okan University Hospital

2019 - Medipol University Pendik Hospital

Education

2016 Marmara University Faculty of Medicine, Chest Diseases

2007 St. Cyril and Methodius University, Faculty of Medicine

Publications

1- Frequency of Immunodeficiency in Adult Non-Cystic Fibrosis Bronchiectasis Patients; Specialization Thesis

2- Canan Cimşit, Melahat Bekir, Sait Karakurt, Emel Eryüksel, Ultrasonographic evaluation of diaphragm thickness in COPD – Marmara Medical Journal 2016; 29:8-13

3- Emel Eryuksel, Canan Cimsit, Melahat Bekir, Çagatay Cimsit, Sait Karakurt, Diaphragmatic Thickness Fraction in Subjects at High Risk for COPD Exacerbations Respiratory Care December 2017

4- Melahat Bekir, T. Bahadır Üskül, Pulmonary Functions in Patients With Idiopathic Scoliosis The Journal of Turkish Spinal Surgery ; April 2017

5- Emel Eryuksel, Canan Cimsit, Melahat Bekir, Cagatay Cimşit, Sait Karakurt, Is Diaphragmatic Thickness fraction valuable in Identifying High-Risk Chronic Obstructive Pulmonary Disease Patients, European Respiratory Journal Sep 2017

6- Melahat Bekir Külah, Şehnaz Olgun Yıldızeli, Derya Kocakaya, Berrin Ceyhan, The Effect of Clinical Findings on One-Year Disease Course in Adult Bronchiectasis Patients Other Than Cystic Fibrosis, 21st Annual Congress of the Turkish Thoracic Society _ Belek, Turkey 2018

7- Melahat Bekir Külah, Şehnaz Olgun Yıldızeli Derya Kocakaya, Emel Eryüksel, Elif Karakoç Aydıner, İsmail Öğülür, Berrin Bağcı Ceyhan, Quality of Life in Adult Bronchiectasis Patients Other Than Cystic Fibrosis: The Role of Psychological Status and Disease Severity 20th Annual Congress of the Turkish Thoracic Society – Belek Türkiye 2017

8- Berrin Ceyhan, Melahat Bekir, Şehnaz olgun Yıldızeli, Derya Kocakaya , Emel Eryüksel, Validity and reliability of the Turkish version of the EMBARC (European Bronchiectasis Audit and Research Collaboration) quality of life scale in patients with non-cystic fibrosis bronchiectasis. Turkish Thoracic Society 20th Annual Congress – Belek, Turkey 2017 (POSTER AWARD WINNER)

9- Melahat Bekir, Şehnaz Olgun Yıldizeli, Derya Kocakaya, Hüseyin Arıkan, Emel Eryüksel, Berrin Bağcı Beyhan, Relationship Between Vitamin D Levels and Lung Functions, Clinical Indexes, Anxiety-Depression Symptoms in Adult Non-Cystic Fibrosis Bronchiectasis Patients – 19th Annual Congress of the Turkish Thoracic Society - Belek, Turkey 2016

10- Melahat Bekir, Derya Kocakaya, Şehnaz Olgun, Berrin Bağcı Ceyhan, Anticoagulant Treatment Approach in a Case of Venous Thrombosis Causing Superior Vena Cava Syndrome with Active Bleeding – 18th Annual Congress of the Turkish Thoracic Society – Belek, Turkey 2015

11- Melahat Bekir, Berrin Bağcı Ceyhan, Life-Threatening Bleeding After Anticoagulation with Rivaroxaban: Two Case Reports, 18th Annual Congress of the Turkish Thoracic Society – Belek, Turkey 2015

12- Şehnaz Olgun Yıldızeli, Çagatay Nuri Cimşit, Semiha Emel Eryüksel, Canan Cimşit, Melahat Bekir, Tuğçe Yakut, The Relationship of Pulmonary CT Angiography with Clinical Scores in Pulmonary Embolism – Turkish Thoracic Society 18th Annual Congress – Belek Turkey 2015

13- Melahat Bekir, Canan Cimşit, Hüseyin Arıkan, Derya Kocakaya, Şehnaz,Olgun, Semiha Emel Eryüksel, Sait Karakurt, Diaphragm Thickness in COPD Patients and Its Relationship with Symptoms, Turkish Thoracic Society 17th Annual Congress – Belek, Turkey 2014

14- Melahat Bekir Külah, Frequency of Immunodeficiency in Patients with Non-Cystic Fibrosis Bronchiectasis and its Relationship with Clinical Parameters, 20th Annual Congress of the Turkish Thoracic Society – Belek Türkiye 2017

15- Berrin Ceyhan, Melahat Bekir Külah, Şehnaz Olgun Yıldızeli, Derya Kocakaya, One Year Follow-Up of Respiratory Health Outcomes in Adult Patients with Non-Cystic Fibrosis Bronchiectasis ERS 2018

16- Melahat Bekir, Şehnaz Olgun Yıldızeli, Derya Kocakaya, Emel Eryüksel, Elif Karakoç, İsmail Öğülür Berrin Bağcı Ceyhan Immun Deficiency in Patients with Non Cystic Fibrosis Bronchiectasis and Relationship with Clinical Parameters ATS Conference 2017- Washington, DC 2017

17- Melahat Bekir Külah, Sehnaz Olgun Yildizeli, Derya Kocakaya, Emel Eryuksel, Berrin Bagci Ceyhan Health Related Quality of Life Among Adult Patients With non Cf Bronchiectasis: The Role of Psychological status and disease severity ERS International Congress 2017, Milan Italy 2017

18- Melahat Bekir, Şehnaz Olgun Yıldızeli, Derya Kocakaya, Hüseyin Arıkan, Emel Eryüksel, Berrin Bağcı Ceyhan The Relationship Between Vitamin D Level and Lung Function, Severity and Clinical Indices, Depression and Anxiety Symptoms in Adult Patients With Non-Cystic Fibrosis Bronchiectasis ATS Conference 2016 - San Francisco , California 2016

Dr. Hayrettin Kesmezacar is an orthopaedic surgeon at Gayrettepe Florence Nightingale Hospital in Istanbul. He joined the hospital in 2013 and holds a current appointment from 2024. His clinical focus includes shoulder and elbow surgery, shoulder instability, rotator cuff tears, and orthopaedic trauma.

He became Professor at Bilim University Medical Faculty in 2011. He was appointed Associate Professor at Istanbul University-Cerrahpaşa in 2006. His training includes residency and fellowship at Cerrahpaşa in 1997 and 2000. He completed visiting fellowships at Cornell HSS in 2004 and Western Ontario/LHSC in 2009. He holds a CRA certificate from Oxford College (2024). As of 2024, he serves as a CRA at Mount Sinai Hospital ICU Research (iCORE).

He has peer-reviewed publications in J Shoulder Elbow Surg, Acta Orthop Traumatol Turc, Arthroscopy, and others. His work includes a 22.4-year follow-up study on displaced supracondylar humerus fractures. He also reported 6-year outcomes for hallux valgus.

Somjet Tosamran, MD, is a neurologist. Dr. Tosamran is a fellow in epilepsy at the Neurology Division, Department of Medicine, King Chulalongkorn Memorial Hospital, Bangkok, Thailand (2024–present). Dr. Tosamran completed a neurology residency at the same hospital (2021–2024). Earlier training includes internships at Charoenkrung Pracharak Hospital and Sakaeo Crown Prince Hospital.

Accreditations and education: Neurologist certification, King Chulalongkorn Memorial Hospital (2024). Master of Science in Internal Medicine, Faculty of Medicine, Chulalongkorn University (2024). Doctor of Medicine, First Class Honors, Faculty of Medicine, Chulalongkorn University (2018).

Assoc. Prof. Atakan Topçu, M.D., is a medical oncologist at Medipol University and Medipol Acıbadem Regional Hospital. He treats solid tumors, including lung, breast, colorectal, gastric, and neuroendocrine cancers. His work also covers targeted therapies, immunotherapy, geriatric oncology, and cancer-related malnutrition, cachexia, and sarcopenia.

He has authored more than 50 peer-reviewed papers. Recent work includes a 2024 Frontiers in Medicine study on geriatric syndromes and a 2023 Future Oncology paper on sarcopenia and anxiety in lung cancer. He has also published on the CONUT score in breast cancer and on malnutrition in HER2-negative metastatic gastric cancer.

Dr. Topçu serves on the Editorial Board of BMC Cancer. He is a member of the Turkish Society of Medical Oncology, ESMO, and the Turkish Geriatrics Society. Education and training: M.D., Uludağ University; residency in Internal Medicine, Marmara University; fellowship in Medical Oncology, Bezmialem Vakıf University.

Dr. Hodaya Cohen is a board-certified Obstetrician and Gynecologist at Hadassah Medical Center. She is known for her skill in handling complex cases and providing advanced care for women.

Dr. Cohen has performed more than 1,500 procedures. She has also contributed to several clinical studies. She is accredited by top medical boards. Dr. Cohen is dedicated to evidence-based medicine and puts her patients first.

Prof. Selin Kapan has been a Professor of General Surgery since 2017. She is currently with Istanbul Aydın University, Faculty of Medicine, Department of General Surgery (2022–present). She previously worked at Bakırköy Dr. Sadi Konuk Training and Research Hospital as a Specialist and Associate Professor. She also served as Educational and Administrative Supervisor at Kanuni Sultan Süleyman Training and Research Hospital. In addition, she was Medical Coordinator and General Surgeon at Istanbul Surgery Hospital.

She has authored or co-authored more than 50 peer-reviewed papers. Her research covers hernia repair, perianal fistula, pilonidal disease, hepatic hydatid disease, laparoscopic surgery, and gastrointestinal surgery. Her work has been published in journals such as Digestive Surgery, Hernia, Techniques in Coloproctology, and the Journal of Gastrointestinal Surgery. She is a member of the Turkish Surgical Association, the National Trauma and Emergency Surgery Association, the Hernia Society, the Turkish HPB Surgery Association, the Stem Cell and Cellular Therapies Association, and the Gastroesophageal Reflux Association.

Dr. Zuhal Cakmak Peksen is a Family Medicine Specialist since 2017. She earned her MD from Çukurova University in 2010. She completed specialty training at Yüzüncü Yıl University between 2013 and 2017. She is currently studying for a bachelor’s degree in Health Management at Anadolu University (2024–present).

She has 15 years of clinical practice (2010–2025) across 8 institutions. Her experience includes research in Family Medicine (2013–2017) and work at several Family Health Centers. Since 2020, she has served at TOKİ Avrupa Family Health Center in Gaziosmanpaşa, Istanbul.

Dr. Irfan Cicin is a Professor of Medical Oncology at the Trakya University Faculty of Medicine (2015–present). He has over 20 years of medical oncology experience and has held academic roles since 2010.

Education: MD, Istanbul University – Cerrahpaşa (1991–1997). Residency in Internal Medicine, Trakya University (1997–2002). Fellowship in Medical Oncology, Trakya University (2002–2004).

Practice: Medical Oncologist, Trakya University (2005–2008). Medical Oncologist, Elazığ Training and Research Hospital (2008–2010). Associate Professor of Medical Oncology, Trakya University (2010–2015). He previously served as a physician in the Turkish Air Force at Etimesgut Military Hospital (2004–2005).

Dr. Muhammed Mustafa Atci is an Associate Professor of Medical Oncology at İstinye University, Liv Hospital Topkapı (2025–present). He previously served as Associate Professor and Education Coordinator at Prof. Dr. Cemil Taşcıoğlu City Hospital (2023–2025). He was also a Medical Oncologist there (2018–2021).

He has been a member of ASCO and the Turkish Society of Medical Oncology since 2018. He is the author or co-author of 19 peer-reviewed international papers on colon, breast, gastric, pancreatic, lung, thyroid, sarcoma, and colorectal cancers.

Notable works include a multicentre study on stage IIB colon cancer survival (Journal of Chemotherapy). He also studied the De Ritis ratio for lung metastasis in testicular cancer (Current Urology). His prognostic studies used PET/CT, MSI, lymph node ratio, and metabolic tumor volume.

Dr. Cagdas Erdogan is a gastroenterologist at Ankara Etlik City Hospital. He trained in Internal Medicine and Gastroenterology. He earned his MD from Dokuz Eylul University. He completed his Internal Medicine residency from 2014 to 2019. He then completed a Gastroenterology fellowship at Ankara City Hospital from 2019 to 2022. His clinical focus includes advanced endoscopy (ERCP, EUS, EMR, ESD, POEM, EGD, colonoscopy, double-balloon enteroscopy), inflammatory bowel disease, and hepatology.

He has about 40 publications. His work appears in The Turkish Journal of Gastroenterology, Scientific Reports, Endoscopy, and Digestive Diseases and Sciences. Notable studies address vedolizumab in IBD and prophylaxis for post-ERCP pancreatitis. He also reported a 13-year Crohn’s cohort comparing infliximab and adalimumab. Additional work covers outcomes with an adalimumab biosimilar and innovative endoscopic therapies (MCA via double-balloon enteroscopy, holmium laser for Bouveret syndrome, POEM for Zenker’s diverticulum, and ESD for esophageal papillomatosis).

Dr. Tara Rak-areekul is a neurologist focused on cognitive neurology. She is a fellow at King Chulalongkorn Memorial Hospital. She completed her neurology residency there and served as Chief of Academic in 2023. She holds an MD from Chulalongkorn University (Second Class Honors) and a Higher Graduate Diploma in Clinical Sciences. She is certified in NIHSS (2022) and the Thai Stroke Society Acute Stroke Treatment Course.

Key achievements include first rank in the National Formative Neurological Exam (2023). She won the Epilepsy Quiz Tournament (2023). She was first runner-up at the Neurology Tournaments at NST Midyear 2023 and the Chula Neuroscience Forum 2022. Her research includes AAIC poster presentations (2024, 2025). Ongoing work covers Alzheimer’s biomarkers (MDS‑OAβ and p‑tau217), the Thai clinical adaptation of HippoCamera, and a chapter on behavioral and psychological symptoms of dementia (BPSD).

Dr. Ayhan Kaya is a neurosurgeon who speaks English. He graduated from the Dicle University Faculty of Medicine in 1991. He completed his neurosurgery specialization in 2003. He provides surgical care using advanced microsurgical techniques.

Expertise: spinal surgery (herniated discs, spinal stenosis, scoliosis, spinal trauma). Brain tumor surgery (microsurgical removal of benign and malignant tumors). Cerebrovascular surgery (aneurysms, AVMs, vascular malformations). Traumatic brain and spine injuries (emergency and reconstructive). Peripheral nerve surgery (entrapments and injuries). He offers patient-centered, safe, and personalized care.

Dr. Josef Grohs is an experienced orthopedist who specializes in spine surgery. He has over 30 years of clinical practice. He received his medical degree from the University of Vienna in 1986. He also completed advanced training in clinical examination, manual medicine, and clinical monitoring. Dr. Grohs holds a habilitation in orthopedics and has been a certified orthopedic surgeon since 1998.

He is the Chair of AO-Spine Austria and serves on the Advisory Board of the Austrian Spine Society. He was President of the society from 2009 to 2011. Dr. Grohs has performed surgeries in several countries. He is a core reviewer for the Spine Society of Europe and has published many articles in his field. His leadership and knowledge have improved orthopedic and spine care in Austria and internationally.

Education:

Medical Specialization

Hacettepe University 2017 - 2007

Medical Specialization (Minor)

Ufuk University 2011 - 2009

Doctorate

Ankara University 2021 - 2000

Undergraduate

Ankara University 2006

Experience: 

Research Assistant

Biotechnology Department, Biotechnology Institute, Ankara University

September 01, 2009 - October 08, 2021

Research Assistant

Department of Pediatrics, Faculty of Medicine, Hacettepe University

February 27, 2014 - February 28, 2017

Research Assistant

Dr. Ridvan Ege Health Research and Application Center, Ufuk University

November 27, 2007 - December 09, 2011

Dr. Arnulf Ferlitsch is a specialist in internal medicine, gastroenterology, and hepatology. He completed his medical studies in Vienna in 1998. He continued his training at top institutions, including UCLA and the University of Pennsylvania. From 2000 to 2010, he focused on internal medicine, gastroenterology, hepatology, and intensive care.

Dr. Ferlitsch has received several research awards, such as the UEGW Best Abstract Award (2003, 2005, 2008, 2009, 2010, 2012), the Ferring Prize, and the Skoda Prize. He founded the hepatic hemodynamics laboratory and the liver cirrhosis outpatient clinic at the Medical University of Vienna. Since 2018, he has led the Department of Internal Medicine I at the Hospital of the Barmherzigen Brüder in Vienna.

Dr. Josef Grohs is an experienced orthopedist who specializes in spine surgery. He has over 30 years of clinical practice. Dr. Grohs earned his medical degree from the University of Vienna. He also holds diplomas in Clinical Investigation and Manual Medicine. He received his specialist diploma in Orthopaedic Surgery in 1998 and completed his habilitation in 2006.

Dr. Grohs has served as Deputy Chief of the Spine Unit at the Medical University of Vienna. He has chaired AO-Spine Austria since 2015. From 2009 to 2011, he was President of the Austrian Spine Society. Dr. Grohs has performed surgeries in several countries, including Ghana and Kenya. He is known for his work in orthopedic education and research. He is active in both European and Austrian spine societies.