Assoc. Prof. Dr. Hayrettin Dizen
General Surgery
About Hayrettin Dizen
Assoc. Prof. Hayrettin Dizen is a dedicated general surgeon with a strong focus on bariatric, metabolic, endoscopic, and laparoscopic surgery. He completed his general surgery training at Ankara Numune Training and Research Hospital in 2007. Since 2021 he has been part of the surgical team at Acibadem Health Group, where he applies advanced minimally invasive techniques and multidisciplinary care to improve patient outcomes. M.D. Dizen is an active member of professional societies including the Bariatric and Metabolic Surgery Association, the Endoscopic and Laparoscopic Surgery Association, and the Turkish Surgical Association. His practice emphasizes patient-centered treatment, evidence-based surgical approaches, and ongoing professional development in metabolic and minimally invasive surgery.
Subspecialties
- Morbid obesity
- Metabolic disease
- Bariatric surgery
- Metabolic surgery
- Laparoscopic surgery
- Endoscopic surgery
- Laparoscopic cholecystectomy
- Acute appendicitis
- Thyroid nodules
- Ultrasound-guided fine needle aspiration cytology
- Primary hyperparathyroidism
- Sentinel lymph node biopsy
- Obstructive jaundice
- Gastrosplenic fistula
Education
- 2007 Ankara Numune Training and Research Hospital General Surgery
- 2002 Uludag University Faculty of Medicine
Experience
- 2021 Acibadem Health Group
- 2019 – 2021 ESKİŞEHİR OSMANGAZI UNIVERSTESİES / GENERAL SURGERY ABD / SURGICAL ONCOLOGY BD / AR. VIS. DR.
- 2015 – 2019 ESKİŞEHİR YUNUS EMRE STATE HOSPITAL /GENERAL SURGERY CLINIC / SPECIALIST DR.
- 2013 – 2015 ESKİŞEHİR YUNUS EMRE STATE HOSPITAL / CHIEF PHYSICIAN
- 2010 – 2013 ESKİŞEHİR YUNUS EMRE STATE HOSPITAL /GENERAL SURGERY CLINIC / SPECIALIST DR.
- 2008 – 2010 ANKARA NUMUNE EDUCATION AND RESEARCH HOSPITAL / 7TH GENERAL SURGERY CLINIC / SPECIALIST DR.
- 2007 – 2008 ANKARA NUMUNE EDUCATION AND RESEARCH HOSPITAL / 5TH GENERAL SURGERY CLINIC / SPECIALIST DR.
- 2002 – 2007 ANKARA NUMUNE EDUCATION AND RESEARCH HOSPITAL / 5TH GENERAL SURGERY CLINIC / ASSISTANT
Professional Memberships
- Bariatric and Metabolic Surgery Association
- Endoscopic and Laparoscopic Surgery Association
- Turkish Surgical Association
Selected Publications
- Could a Sentinel Lymph Node Biopsy Be Performed with Isolated Methylene Blue Injection in a Patient with a History of Skin-Sparing Mastectomy and Prosthetic Reconstruction? Arch Curr Med Res 2020; 1(1):34-37 Ümit Özdemir, İhsan Burak Karakaya, Ahmet Karayiğit, Dursun Burak Özdemir, Hayrettin Dizen
- Parathyroid hormone in washout fluid seems to be superior to cytology for localization of the lesion in MIBI-negative patients with primary hyperparathyroidism Turk J Med Sci. 2017;47(6):1703-1707. Published 2017 Dec 19. doi:10.3906/sag-1612-124 Cansu GB, Taskiran B, Dizen H, Peker Cengiz B.
- Russell Body Gastritis: an Unusually Presentation of the Chronic Gastritis Iranian Journal of Pathology 11.5 (2016): 452. PEKER, Betül CENGIZ, Fatma Secil KIRDOK, and Hayrettin DIZEN
- RECEIVER OPERATING CHARACTERISTIC ANALYSIS AND DISCRIMINATIVE EFFECT OF NEUTROPHIL-TO-LYMPHOCYTE RATIO IN PATIENTS WITH SUSPECTED APPENDICITIS ACTA MEDICA MEDITERRANEA, 32(3), 799-804. (2016) Ozturk, S., Unver, M., Yoldas, O., Dizen, H., Erol, V., Bozbiyik, O., … & Akbulut, G.
- The effects of obstructive jaundice on the brain: An experimental study Asian journal of surgery 39.3 (2016): 155-163. Dilektasli, Evren, et al.
- Ultrasound Guided Fine Needle Aspiration Cytology in Thyroid Nodules: Cytohistologic Correlation Medical Journal of Mugla Sitki Kocman University 2015;2(3):7-11 Çetin İmamoğlu, Fatma Gül İmamoğlu, Hayrettin Dizen, Asuman Argon, Zehra Hilal Adıbelli, Betül Peker Cengiz, Cihan Düzgöl, Mehmet Çalan, Erdem Arslan,
- Tuleramia? Because of A Case with Rabbit Nail? Journal of Internal Medicine 2014. Pınar Yıldız, Mustafa Yıldız, Hayrettin Dizen
- Is the number of trocars important in laparoscopic cholecystectomy? Eur J Endosc Laparosc Surg 1 (2014): 24-29. Moran, Münevver, et al.
- Spontaneous gastrosplenic fistula resulting from primary gastric lymphoma: case report and review of the literature Balkan Medical Journal 2011.2 (2011): 205-208. Moran, Münevver, et al.
- Effect Of The Season On The Diagnosis Of Acute Appendicitis Middle East Medicine 2010 mart 2:1 Özalp N, İbili İ, Ocak S, Tez M, Dizen H, Koç M.
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