Best Stomach resection gastroenterologists in Turkey: TOP 28 doctors

Dr. Tarık Akar graduated from Cerrahpaşa School of Medicine, Istanbul University in 2000 and was granted the title of “Internist” in 2004. He has published 19 international papers, 6 local papers, and 25 local and international congress presentations. His fields of medical interest include Achalasia, ESD, ERCP, Zenker’s Diverticulum, and Gastroparesis.

Born in Ankara in 1978, Dr. Umut R. Gündüz began his medical career at the Cerrahpaşa Faculty of Medicine.

Later, he became a General Surgery Specialist at Okmeydanı Training and Research Hospital.

From 2011 onwards, they worked as a General Surgery Specialist at Antalya Training and Research Hospital.

In 2018, they became a Clinical Education Instructor. Dr. Umut Rıza Gündüz primarily focused on metabolic, breast, endocrine & other general surgeries.

In 2021, they worked as both a manager and a physician in the General Surgery department at Özel Termessos Hospital.

Since 2023, Umut R. Gündüz has been continuing to accept patients at their own clinic, mainly specializing in metabolic surgery and performing general surgery operations.

• Gastric Sleeve
• Bypass Surgeries
  • Gastric Bypass
  • Mini Gastric Bypass
  • SASI-S Bypass
  • Roux en-y Bypass
• Endoscopic Procedures
  • Gastric Balloon
  • Gastric Botox
• Revision Surgeries
• Diabetes Surgery
• Complication Surgeries

Some of Dr.Umut R. Gunduz’ Trainings;

• Neck Dissection Course (2019)
  
  – Da Vinci Xi System for Surgeons Training,
  Orsi Academy, Belgium (2018)
  
  – Advanced course in revisional
  bariatric surgery & the management of
  complex cases, Belgium (2017)
  
  – Advance Endoscopy Course, Turkish
  Surgical Association, Turkey (2017)
  
  – Turkish Society of Surgery Advanced Endoscopy Course (2016)

Assoc. Dr. Ali DURMUŞ was born in the Fevzipaşa township of İslahiye, Gaziantep. Because his father worked at Tekel, he started his education at Malatya Derme Primary School and completed it at Adıyaman Atatürk Primary School. When his father was appointed to Amasya Taşova district, he attended secondary school at Taşova Atatürk Secondary School. He finished high school at Gaziantep Kilis High School, ranking 3rd.

Since his uncle was in Çanakkale, he chose Çanakkale Education Institute as a university. Assoc. Prof. Dr. is a teacher. Ali Durmuş was appointed to Yukarı Tutak village in Ağrı's Diyadin district within the scope of compulsory service. After working as a teacher for a period, he took the university exam again.

He was accepted to Erciyes University Faculty of Medicine, one of the two medical faculties that taught in English at that time. He completed one year of English preparation and 6 years of medical education without any loss. He was a member of the ski team and basketball team at the university, and also managed social events such as the annual medical ball.

He was assigned to Iskenderun State Hospital in compulsory service. Assoc. Prof. Dr., who served as the emergency manager. Ali Durmuş passed the General Surgery Department of Okmeydanı Training and Research Hospital in the Medical Specialization Exam. Assoc. Prof. Dr. completed his specialization and became a specialist. Due to his success in his compulsory service, Ali Durmuş was appointed as assistant chief physician to the Oncology department at Okmeydanı Training and Research Hospital.

Later, he was appointed as a training officer in the Department of General Surgery and Gastroenterology. He helped develop laparoscopic stomach and intestinal surgeries (sleeve gastrectomy, gastric bypass, reflux, colon cancer, stomach cancer, etc.) in Turkey. Between 2002 and 2015, he trained dozens of assistants and helped them become general surgeons.

In 2015, he left his job in Okmeydanı and worked as Assistant Professor. He started working as a faculty member at Nişantaşı University.

Experience

• 2020

Istanbul Medipol University General Surgery Clinic

• 2019 - 2019

TURKISH COLON AND RECTUM SURGERY SOCIETY

• 2018 - 2018

İNÖNÜ UNIVERSITY

• 2018 - 2018

TURKISH OSTOMY SURGERY SOCIETY

• 2018

MALATYA GASTROINTESTINAL SURGERY SOCIETY

• 2009 - 2009

DR.LÜTFİ KIRDAR EDUCATION AND RESEARCH HOSPITAL

• 2009 - 2009

10th NATIONAL BREAST DISEASES CONGRESS

• 2008 - 2008

TURKISH SURGICAL ASSOCIATION

• 2006 - 2012

Kartal Training and Research Hospital, General Surgery Assistant

Education 

• 2012

ISTANBUL KARTAL DR.LÜTFİ KIRDAR TRAINING AND RESEARCH HOSPITAL, GENERAL SURGERY

• 2003

KARADENIZ TECHNICAL UNIVERSITY, FACULTY OF MEDICINE

Was born in 1981 in Erzincan. After finishing Beşiktaş Atatürk Anadolu High School in 1999 entered Istanbul University Çapa, Faculty of Medicine. 

In 2005 I got his Master Degree and started as a practitioner at Yüksekova State Hospital. He got his Doctorate at Okmeydanı Training and Research Hospital in General Surgery department. As a General Surgery Specialist, he worked at Zonguldak Atatürk State Hospital for 5 years and at Sancaktepe Şehit Prof. Dr. İlhan Varank Training and Research Hospital for 3 years. 

Worked as an Assistant Professor at Istanbul Medipol University, Department of General Surgery. Currently working at Medipol University Pendik Hospital. 

Eğitim:

• Lisans Derecesi (MD): Tıp Fakültesi, Uludağ Üniversitesi, 1989

Uzmanlık Eğitimi ve Deneyim:

• Genel Cerrahi Uzmanlık Derecesi: Ankara Numune Eğitim ve Araştırma Hastanesi, 1997
• Yan Dal (Fellowship): Gastroenteroloji Cerrahisi, Türkiye Yüksek İhtisas Hastanesi, 2005

Akademik Kariyer:

• Doçentlik: Genel Cerrahi, İnönü Üniversitesi, 2011
• Profesörlük: Genel Cerrahi, İnönü Üniversitesi, 2017

I was born in 1967 in Izmir.

I have a happy marriage. I am the father of 3 beautiful girls, more beautiful than each other.

I have a love for Altınordu,inherited from my father.

I speak English and French.

 

The education you have received describes you…

• Izmir Necati Bey Primary School (1973-1978)
• Izmir Private Saint-Joseph Secondary School (1978-1982)
• Izmir Private Tevfik Fikret High School (1982-1985)
• Hacettepe University Faculty of Medicine (1985-1992)
• General Surgery Training at SSK (social insurance institution) Tepecik Training Hospital (1992-1996)
• Liver Transplantation Training at Akdeniz University Faculty of Medicine (2002-2003)

Surgical Experience

After becoming a general surgery specialist in 1996, I served as a General Surgery and Organ Transplantation Specialist at SSK (social insurance institution), for a period of 9 years. In 2005, was granted the title of Associate Professor-General Surgery. Between 2005 and 2012, I established the kidney transplant centers in İzmir Private Kent Hospital, Istanbul Private Gaziosmanpasa Hospital, and Medicalpark Goztepe Hospital respectively, and served as the chief executive of these centers.

I have worked in İzmir Private Kent Hospital since 2013. I established Obesity Clinic at Gazi Hospital, and performed more than 200 gastric reduction operations.

Scientific Activity

More than 50 international publications

Approximately 100 national publications

Section authorship of 12 books

Editorship of 2 books

Serving as a lecturer, session moderator, science board member, and regulatory board member in many scientific congresses held both at home and abroad.

Serving as a referee and editor in domestic and international magazines.

Citation in approximately 100 international scientific publications

Awards

Certificate of Achievement granted by SSK General Directorate for the first kidney transplant operations performed at SSK Hospitals (1997).

Young Researcher Award in ONKKD (Turkish Organ Transplantation Centers Coordination Association) 2002 Congress held in Adana (2002).

Certificate of Appreciation granted by SSK General Directorate for the first small intestine transplant in Turkey (2003).

Young Researcher Award in the World Congress of Nephrology held in Berlin (2003).

The Firsts

Besides these, I have broken many new grounds in Turkey.

Laparoscopic donor nephrectomy (laparoscopic removal of the donor kidney intended to be transplanted) (2004)

Kidney-transplant without tissue adaptation (2005)

Cross-over (cross-donor) kidney transplantation (2005)

Small intestine transplantation (2005)

Social Responsibility

I have worked in the management boards of many associations engaging in scientific and social activities, and served as a founding member in some of them.

The most important one of these is that I have served as a coordinator in the project intended for providing 150.000 elementary school students and 5,000 adults with training on organ donation, for a period of 10 years, through various social activities.1

Education: 

Akdeniz University Faculty of Medicine 

Specialization Training: 

Baskent University Faculty of Medicine. Internal diseases 

Akdeniz University Faculty of Medicine, Gastroenterology Minor 

Worked Institutions: 

Tekirdag State Hospital (Compulsory Service) 

Demiroğlu Bilim University Faculty of Medicine, Gastroenterology 

Medical Interests: 

Endoscopy-Colonoscopy 

ERCP 

Hepatology 

Inflammatory Bowel Diseases 

Liver Transplantation

UNIVERSITY

Ankara University Faculty of Medicine 

UNIVERSITY WHERE HE TAKES EXPERTISE

Göztepe Training and Research Hospital General Surgery

CONGRESSES ATTENDED

National Endoscopic Laparoscopic Surgery Congress

World Congress on Controversies to Consensus in Diabetes, Obesity and Hypertension

Bariatric and Metabolic Surgery Congress

Cerrahpaşa Surgery Meetings Turkish Bariatric Surgery Association

Experience 

• 2016 - 2017

İSTİNYE UNIVERSITY FACULTY OF MEDICINE

• 2016 - 2017

Liv Hospital

• 2016 - 2017

Liv Hospital Ulus

• 2015 - 2016

Acıbadem Bodrum Hospital

• 2014 - 2015

Tatvan State Hospital

• 2013 - 2015

Tatvan State Hospital

• 2012 - 2013

CLEVELAND CLINIC

• 2007 - 2014

Dokuz Eylul University Faculty of Medicine

Education 

• 2013

DOKUZ EYLÜL UNIVERSITY FACULTY OF MEDICINE, FACULTY OF MEDICINE/DEPARTMENT OF SURGICAL MEDICAL SCIENCES/DEPARTMENT OF GENERAL SURGERY

• 2013

Dokuz Eylül University, General Surgery

• 2007

AKDENİZ UNIVERSITY, FACULTY OF MEDICINE

• 2007

International Peer-Reviewed Journal Articles:

Title: The impact of sarcopenia on morbidity and long-term survival among patients with peritoneal metastases of colorectal origin treated with cytoreductive surgery and hyperthermic intraperitoneal chemotherapy: a 10-year longitudinal analysis of a single-center experience.

• Authors: AĞALAR CİHAN, SÖKMEN SELMAN, ARSLAN ÖZŞAHİN NACİYE ÇİĞDEM, ALTAY CANAN, BAŞARA AKIN IŞIL, CANDA ARAS EMRE, OBUZ FUNDA
• Journal: Techniques in Coloproctology
• Year: 2020
• Volume: 24(4)
• Pages: 301-308
• DOI: 10.1007/s10151-020-02159-z
• Publication Number: 6776368

Title: Randomized controlled trial of 8 weeks’ vs 12 weeks’ interval between neoadjuvant chemoradiotherapy and surgery for locally advanced rectal cancer.

• Authors: Terzi Cem, Bingül Mustafa, ARSLAN NACİYE ÇİĞDEM, ÖZTÜRK ERSİN, CANDA ARAS EMRE, IŞIK ÖZGEN, YILMAZLAR AHMET TUNCAY, OBUZ FUNDA, Görken Birkay, KURT MERAL, ÜNLÜ ŞADİYE MEHTAT, UĞRAŞ NESRİN, Kanat Özkan, ÖZTOP İLHAN
• Journal: Colorectal Disease
• Year: 2020
• Volume: 22(3)
• Pages: 279-288
• DOI: 10.1111/codi.14867
• Publication Number: 6012919

Title: The effect of fibrin glue in preventing staple-line leak after sleeve gastrectomy: an experimental study in rats.

• Authors: ÖZDENKAYA YAŞAR, OLMUŞÇELİK OKTAY, BASIM PELİN, SAKA BURCU, ARSLAN NACİYE ÇİĞDEM
• Journal: Acta Cirurgica Brasileira
• Year: 2019
• Volume: 34(8)
• Publication Number: 5242669

Title: Treatment of intraoperatively detected peritoneal carcinomatosis of colorectal origin with cytoreductive surgery and intraperitoneal chemotherapy.

• Authors: CANDA ARAS EMRE, ARSLAN NACİYE ÇİĞDEM, Terzi Cem, Sokmen Selman, YAVUZŞEN TUĞBA, Ozkardesler Sevda, Unlu Mehtat, OBUZ FUNDA, FÜZÜN MEHMET
• Journal: World Journal of Surgical Oncology
• Year: 2018
• Volume: 16(1)
• Pages: 70-74
• DOI: 10.1186/s12957-018-1369-7
• Publication Number: 4863133

Title: Magnetic resonance-based pelvimetry and tumor volumetry can predict surgical difficulty and oncologic outcome in locally advanced mid–low rectal cancer.

• Authors: Atasoy Gulsen, ARSLAN NACİYE ÇİĞDEM, Elibol Funda, SAĞOL ÖZGÜL, OBUZ FUNDA, SÖKMEN SELMAN
• Journal: Surgery Today
• Year: 2018
• Volume: 48(12)
• Pages: 1040-1051
• DOI: 10.1007/s00595-018-1690-3
• Publication Number: 4863005

Title: Is advanced age a hesitation for cytoreductive surgery and hyperthermic intraperitoneal chemotherapy in colorectal cancer?

• Authors: Terzi Cem, Sokmen Selman, ARSLAN NACİYE ÇİĞDEM, Ozkardesler Sevda, DURAL CEMIL, OBUZ FUNDA, CANDA ARAS EMRE, GÖKTÜRK ÜMIT KELEŞTEN
• Journal: International Journal of Surgery
• Year: 2018
• Volume: 51
• Pages: 156-160
• DOI: 10.1016/j.ijsu.2018.01.010
• Publication Number: 4855751

Contributions to Conferences:

Title: Outcome of cytoreductive surgery and hyperthermic intraperitoneal chemotherapy for colorectal cancer: A single-center experience.

• Authors: CANDA ARAS EMRE, Sokmen Selman, Terzi Cem, ARSLAN NACİYE ÇİĞDEM, OBUZ FUNDA
• Conference: European Society of Surgical Oncology (ESSO) Congress
• Year: 2018
• Location: Budapest, Hungary

Title: Predictive factors for conversion to open surgery in laparoscopic colorectal surgery.

• Authors: ARSLAN NACİYE ÇİĞDEM, Terzi Cem, Sokmen Selman, CANDA ARAS EMRE, OBUZ FUNDA
• Conference: European Association for Endoscopic Surgery (EAES) Congress
• Year: 2017
• Location: Frankfurt, Germany

Education:

Medical Degree (MD): Cukurova University, 200

Specialization Training and Experience:

Specialization Degree in General Surgery: Inonu University Medical Faculty General surgery  2011 Fellowship: Gastroenterological Surgery, Turkey High Specialization Hospital, 2013

 Career:

Associate Professorship: Gastroenrology  Surgery, İnönü University, 2017

 Professorship: General Surgery, Medipol University, 2024

Education and Expertise Ankara University Faculty of Medicine – Medical Education Haydarpaşa Numune Training and Research Hospital - General Surgery Specialization Türkiye Higher Specialization Training and Research Hospital - Gastroenterology Surgery Specialization MD Anderson Cancer Center, Surgical Oncology Unit, Houston, USA Texas University Memorial Herrman Hospital, Transplantation Center, Houston; USA Experience Haydarpaşa Numune Training and Research Hospital, General Surgery Assistant Türkiye Higher Specialization Training and Research Hospital - Gastroenterology Surgery Minor Marmara University, Pendik Training and Research Hospital - Specialist Doctor Marmara University Faculty of Medicine – Associate Professor Professional Memberships Turkish Surgical Association Association of Gastroenterology Surgery Turkish Bariatric Surgery Association Bariatric and Metabolic Surgery AssociationINTERNATIONAL PUBLICATIONS Ozkan E, Yardimci S, Dulundu E, Topaloğlu U, Sehirli O, Ercan F, Velioğlu-Oğünç A, Sener G. Protective potential of montelukast against hepatic ischemia/reperfusion injury in rats. J Surg Res. 2010 Mar;159(1):588-94. Ibrahim Koral Onal, Gurel Nessar, Samet Yardimci, Nesrin Turhan, Mevlut Kurt, Aysel Ulker. RecentOnset Ulcerative Colitis Complicated By Colon Ischemia In An Elderly Patient. Journal of the American Geriatrics Society Volume 58, Issue7, p1417-1418, July 2010 Yardimci S, Ulas M, Surmelioglu A, Bostanci E B Splenic recurrence of liver hydatid cyst and spleen preserving therapy Singapore Med J 2011; 52(11): e223 Samet Destek Letter to the Editor: Author's Reply: Recurrent Splenic Hydatid Cyst.. Singapore Med J 2012;53(2): 150 Yardimci S, Bostanci EB, Ozer I, Dalgiç T, Surmelioglu A, Aydog G, Akoglu M. Sildenafil Accelerates Liver Regeneration After Partial Hepatectomy in Rats. Transplan Proc. 2012 Jul-Aug; 44(6): 1747-50 Yıldız MK, Ozkan E, Odabaşı HM, Eriş C, Günay E, Abuoğlu HH, Kaya B, Yardımcı S, Müftüoglu MT, Topaloglu U. Analysis of 120 patients with abdominal stab wound focusing on diagnostic role of fast. Int J Clin Exp Med. 2014 May 15;7(5):1386-90. Yardimci S, Uprak TK, Kombak FE, Kaya H, Yegen SC. Ruptured gastric stromal tumor into gastric lumen with an abscess. ANZ J Surg. 2014 Sep;84(9):687-9. Velioglu A, Aksu B, Asicioglu E, Arıkan H, Tinay I, Yardimci S, Yegen C, Tuglular S, Ozener C. Association of BK Virus Titers With Lymphocyte Count in Renal Transplant Patients. TransplantProc. 2015 Jun;47(5):1421-4. Yardimci S, Kara YB, Tuney D, Attaallah W, Ugurlu MU, Dulundu E, Yegen ŞC. A Simple Method to Evaluate Whether Pancreas Texture Can Be Used to Predict Pancreatic Fistula Risk After Pancreatoduodenectomy. J Gastrointest Surg. 2015 Sep;19(9):1625-31. doi: 10.1007/s11605-015- 2855-7. Epub 2015 May 16. Samet Yardimci, Mustafa Ümit Uğurlu, Mümin Coşkun, Wafi Attaallah, Şevket Cumhur Yeğen, Neutrophil - Lymphocyte Ratio and Mean Platelet Volume Can Be a Predictor for the Severity of Acute Appendicitis. National Journal of Trauma and Emergency Surgery. 2016 Mar;22(2):163-8. doi: 10.5505/tjtes.2015.89346. Dulundu E, Attaallah W, Tilki M, Yegen C, Coskun S, Coskun M, Erdim A, Tanrikulu E, Yardimci S, Gunal O. Simultaneous resection for colorectal cancer 

Prof. M.D. Yusuf Serdar Sakin was born in Nevşehir in 1978. After completing his primary and secondary education in Ankara, he graduated from the Faculty of Medicine at Gülhane Military Medical Academy in 2002.
Following his graduation, he served in Gole/Ardahan for two years. He started his internal medicine training at the Department of Internal Medicine, Gülhane Faculty of Medicine.
After completing his training, he worked as an internal medicine specialist in Ankara. A year later, he began additional training in the Department of Gastroenterology at Gülhane Faculty of Medicine and completed his training in 2014.
After graduation, Yusuf Serdar Sakin continued to work in the same department. He also received advanced endoscopy and Motility training at AMC Center in the Netherlands in 2017.
After obtaining the title of Associate Professor in 2017, he became a Professor in 2023.
He currently provides medical services to patients at Koru Ankara Hospital. His areas of medical interest include:

-Endoscopic retrograde cholangiopancreatography (ERCP)
-Push enteroscopy
-Endoscopic mucosal resection
-High-resolution manometry
-pH/pH-impedance metry analysis
-Advanced endoscopic procedures (stenting, dilation, etc.)
-Gastrointestinal motility disorders
-Gastroesophageal reflux disease
-Inflammatory bowel diseases
-Advanced endoscopic procedures and pancreatitis.

Op. Dr. Necdet Derici was born in Konya Beyşehir in March 1971. He completed his primary school in Beyşehir. Then, he moved to Konya, Ereğli for his secondary and high school education. He graduated from Istanbul University Istanbul Faculty of Medicine in 1995. Between 1995 and 1999, he worked as an assistant doctor at Istanbul Training and Research Hospital. In his next career step, he joined Istanbul Training and Research Hospital as a General Surgery Specialist and worked from 2000 to 2009. He specialized in Endocrine Surgery (Goiter, Surreal, Parathyroid Surgery), Laparoscopic Surgery (Laparoscopic Obesity, Colon Surgery, Stomach Surgery, Hernia Surgery, Appendectomy, Hiatus Hernia, cholecystectomy), Gastrointestinal Surgery (Stomach Cancer and Ulcers, Colon Cancers, Bile duct Surgery) and Endoscopy.

In 2015, He worked with Dr. Bruno Dillemans on Laparoscopic Gastric Bypass in Belgium. In 2017, He worked with Dr. Phillipe Topart ve Dr Guillaume Becouarn on Obesity Surgery and Laparoscopy. He speaks advanced English and intermediate French. Necdet Derici is a member of the Turkish Surgery Association, Turkish Bariatric Surgery Association, Laparoscopic Surgery Association, Endocrine Surgery Association, Asian Endocrine Surgery Association and International Obesity and Bariatric Surgery Association (IFSO). Also, He is married and has 3 children

Place and Birth Year of Birth: Manisa, 01.03.1971

Education: University, Istanbul University - Istanbul Medical Faculty,

High School: Cumhuriyet High School-Eregli

Work Experience: 1995-2009 - Istanbul Education Hospital

2009-2011- Avrasya Hospital

2011-2022 : Atakoy Hospital

Professional Interests: Gastric Surgery, Gastric Bypass , Gastric Baloon, Gastric Surgery Revision