Best Polyps of the gastrointestinal tract doctors in Istanbul: TOP 14 doctors

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Fahad Mawlood

Tarik Akar

  • 4.5 Good 182 reviews
  • 21 years of experience
  • Turkey, Istanbul, Hisar Hospital Intercontinental
  • Dr. Tarık Akar is an experienced internist. He graduated from Cerrahpaşa School of Medicine, Istanbul University in 2000. He completed his specialty training in 2004. Dr. Akar has published 19 international and 6 local papers. He has also presented 25 papers at medical congresses. These achievements show his strong contribution to medical science.

    Dr. Akar specializes in advanced endoscopic procedures. These include POEM for achalasia, ESD for early-stage gastrointestinal cancers, and ERCP for bile duct disorders. He also performs Z-POEM for Zenker’s Diverticulum and G-POEM for gastroparesis. He has received awards such as Best Verbal Presentation and Best Poster at the 7th International Gastrointestinal System Cancers Congress.

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Engin Tutar

  • 4.5 Good 182 reviews
  • 37 years of experience
  • Turkey, Istanbul, Hisar Hospital Intercontinental
  • Prof. Dr. Engin Tutar was born in Istanbul in 1964. He completed his primary and secondary education at Istanbul Erkek Lisesi between 1975 and 1982, and graduated from Istanbul University Istanbul Faculty of Medicine in 1988. In December of the same year, he started his specialization in the Department of Pediatrics at Dr. Lütfi Kırdar Kartal Training and Research Hospital, becoming a specialist in Pediatrics in February 1993. He completed his subspecialty training in Pediatric Gastroenterology, Hepatology, and Nutrition at Marmara University Faculty of Medicine, becoming a subspecialist in 2006. He served as the Assistant Chief Physician and Acting Chief Physician at the 2nd Pediatric Clinic of Dr. Lütfi Kırdar Kartal Training and Research Hospital between 2010 and 2012. In May 2012, he transferred to Marmara University Faculty of Medicine, where he became an Associate Professor in Pediatric Gastroenterology, Hepatology, and Nutrition in 2014, and a Professor in 2020. Alongside his international and national article authorships, he has given over 50 presentations at congresses/courses/association meetings. He retired in May 2024 while serving as the head of the Pediatric Gastroenterology, Hepatology, and Nutrition department at Marmara University Faculty of Medicine. As of June 2024, he is accepting patients at Hisar Hospital Intercontinental.

    MEDICAL INTERESTS

    • Healthy child monitoring
    • Growth and nutritional disorders
    • Approach to patients with abdominal pain
    • Gastroesophageal reflux
    • Chronic diarrhea and chronic constipation
    • Celiac disease
    • Inflammatory bowel disease
    • H. pylori infection-related and unrelated gastritis and ulcers, patients with gastric bleeding
    • Liver, gallbladder, and pancreas diseases
    • Acute and chronic gastrointestinal infections
    • Diagnostic upper and lower gastrointestinal endoscopy
    • Therapeutic upper and lower gastrointestinal endoscopy (esophageal variceal bleeding, gastric and small bowel ulcer bleeding, polypectomy)

    •  
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Cemalettin Aydin

  • 5 Excellent 3 reviews
  • 36 years of experience
  • Turkey, Istanbul, Medipol Acibadem District Hospital
  • Education:

    • Bachelor of Science (MD): Faculty of Medicine, Uludag University, 1989

    Specialized Education and Experience:

    • General Surgery Specialist Degree: Ankara Numune Training and Research Hospital, 1997
    • Fellowship: Gastroenterology Surgery, Türkiye High Specialization Hospital, 2005

    Academic Career:

    • Associate Professor: General Surgery, Inonu University, 2011
    • Professorship: General Surgery, İnönü University, 2017
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Osman Aktas

  • 3 Good 1 review
  • 33 years of experience
  • Turkey, Istanbul, Avicenna International Hospital
  • Dr. Osman Aktas has been serving as a general surgeon at Ataşehir Avicenna Hospital since 2005. Born in Kayseri in 1960, he graduated with his medical degree from Ankara University in 1983. Following his graduation, he fulfilled his military service in medical units for two years. He completed his general surgery residency at GATA from 1986 to 1990. After specializing in general surgery, He held key positions as head of general surgery departments and chief physician in several prominent military hospitals, including Tatvan, Diyarbakır, Ankara, and Manisa.

    Dr. Osman has had a special focus on endoscopic surgery since 1995. He received advanced training in laparoscopic surgery techniques in Germany and has successfully performed a wide range of laparoscopic procedures. His expertise extends to gallbladder surgery, abdominal wall and inguinal hernia repairs, appendicitis, reflux and stomach surgeries, as well as complex cases such as gastrointestinal tumors, intestinal obstructions, and various other intestinal diseases, all managed through minimally invasive methods.

    In 2002, Dr. Osman transitioned to the private sector, where he broadened his practice to include modern treatments for anal diseases like hemorrhoids, fistulas, and fissures, utilizing advanced techniques such as laser therapy.

    Dr. Osman is also recognized for his significant contributions to oncological surgery. He has a wealth of experience in the surgical treatment of various cancers, including breast and thyroid cancer, where he has implemented new treatment methods that reduce the risk of complications. His surgical expertise spans critical cancer surgeries, such as the Whipple procedure for pancreatic cancer, colorectal cancer resections, gastric cancer, and other complex malignancies. Additionally, his skills in metabolic surgery have led to lasting outcomes for patients suffering from obesity and diabetes, ensuring a better quality of life through sustained weight loss and reduced risk of diabetes.

    With his vast experience and advanced skills in both laparoscopic and cancer surgeries, Dr. Osman remains at the forefront of surgical excellence, offering innovative and comprehensive care to all his patients.

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Murat Sarikaya

  • 4.5 Good 2 reviews
  • 21 years of experience
  • Turkey, Istanbul, Medipol Bahçelievler Hospital
  • Experience:

    2022 - 

    Medipol Bahçelievler

    2021 - 2022

    MEDIPOL UNIVERSITY SEFAKÖY HOSPITAL

    2018 - 2020

    İSTİNYE UNIVERSITY FACULTY OF MEDICINE

    2014 - 2020

    TOKAT STATE HOSPITAL

    2010 - 2010

    BINGOL STATE HOSPITAL

     

    Education:

    2021

    MEDIPOL UNIVERSITY, GASTROTEROLOGY

    2018

    İSTINYE UNIVERSITY, INTERNAL DISEASES USA

    2014

    ANKARA TRAINING AND RESEARCH HOSPITAL, GASTROENTEROLOGY

    2010

    FIRAT UNIVERSITY, FACULTY OF MEDICINE/INTERNAL MEDICAL SCIENCES DEPARTMENT/INTERNAL MEDICINE DEPARTMENT

    2004

    FIRAT UNIVERSITY, FACULTY OF MEDICINE

     

    A. International Peer-Reviewed Journal Articles:

    Title: Fatal fulminant hepatitis B after withdrawal of entecavir treatment in a patient with HBeAg seroconversion.

    • Authors: Sarıkaya Murat, Koçak Erdem, Köklü Seyfettin, Babalı Ayşegül, Çakal Başak
    • Journal: Acta Gastro-Enterologica Belgica
    • Year: 2012
    • Volume/Issue: (Kontrol No: 1206043)

    Title: Acute gastric obstruction resulting from gallstone-induced bezoar.

    • Authors: Sarıkaya Murat, Koçak Erdem, Köklü Seyfettin, Akbal Erdem
    • Journal: The American Surgeon
    • Year: 2012
    • Volume/Issue: 78(12)
    • Page: 529
    • (Kontrol No: 1129707)

    Title: Garlic-induced esophagitis.

    • Authors: Doğan Zeynal, Sarıkaya Murat, Filik Levent, Ergül Bilal
    • Journal: Acta Gastro-Enterologica Belgica
    • Year: 2013
    • Volume/Issue: 76(2)
    • Page: 262
    • (Kontrol No: 1131422)

    Title: Association between Helicobacter pylori and liver-to-spleen ratio.

    • Authors: Doğan Zeynal, Sarıkaya Murat, Filik Levent, Ergül Bilal
    • Journal: European Journal of Gastroenterology & Hepatology
    • Year: 2013
    • Volume/Issue: 25(1)
    • Pages: 107-110
    • Citations: 7
    • DOI: 10.1097/MEG.0b013e3283590c10
    • (Kontrol No: 1131424)

    Title: Crohn's disease masked by median arcuate ligament syndrome.

    • Authors: Bıyıkoğlu İbrahim, Sarıkaya Murat, Uysal Ramadan Selma, Ergül Bilal, Doğan Zeynal
    • Journal: Chinese Medical Journal
    • Year: 2013
    • Volume/Issue: 126 (14)
    • Page: 2798
    • Citations: 1
    • (Kontrol No: 1131477)

    Title: Telaprevir and anemia: What we learned from the first three patients.

    • Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
    • Journal: Scandinavian Journal of Infectious Diseases
    • Year: 2013
    • Volume/Issue: 45(7)
    • Page: 575-575
    • Citations: 2
    • DOI: 10.3109/00365548.2012.759271
    • (Kontrol No: 1129738)

    Title: Magnesium and parathyroid hormone levels of patients using different proton pump inhibitors.

    • Authors: Sarıkaya Murat, Filik Levent, Ergul Bilal, Doğan Zeynal
    • Journal: Gastroenterology Nursing
    • Year: 2013
    • Volume/Issue: 36 (2)
    • Pages: 145-148
    • DOI: 10.1097/SGA.0b013e31828d3753
    • (Kontrol No: 1129715)

    Title: Is topical pharyngeal anesthesia necessary in esophagogastroduodenoscopy in all unsedated patients?

    • Authors: Ergül Bilal, Sarıkaya Murat, Doğan Zeynal, Filik Levent, Bıyıkoğlu İbrahim
    • Journal: Digestive Endoscopy
    • Year: 2013
    • Volume/Issue: 25(1)
    • Pages: 90-91
    • Citations: 2
    • DOI: 10.1111/j.1443-1661.2012.01383.x
    • (Kontrol No: 1129879)

    Title: Inpatient Care Of Hepatitis C: Applying The Four Pillars Model To The Hospital Setting.

    • Authors: Sarıkaya Murat, Filik Levent, Doğan Zeynal, Ergül Bilal
    • Journal: Gastroenterology Nursing
    • Year: 2013
    • Volume/Issue: 36(2)
    • Pages: 141-144
    • DOI: 10.1097/SGA.0b013e31828d33db
    • (Kontrol No: 1129712)

    Title: "The "Bouveret's Syndrome" Case Resolved Without Necrotic Changes."

    • Authors: Bilal Ergül, Murat Sarıkaya, Zeynal Doğan, Sevda İdil, Tarkan Karakan, Abdullah Çetin Köseoğlu
    • Journal: Case Reports in Gastrointestinal Medicine
    • Year: 2013
    • Volume/Issue: 2013
    • Article ID: 725434
    • DOI: 10.1155/2013/725434
    • (Kontrol No: 1131423)

    Title: Severe acute pancreatitis due to hypertriglyceridemia.

    • Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent, Bıyıkoğlu İbrahim
    • Journal: Case Reports in Gastrointestinal Medicine
    • Year: 2013
    • Volume/Issue: 2013
    • Article ID: 945902
    • DOI: 10.1155/2013/945902
    • (Kontrol No: 1131425)

    Title: Gallstone Ileus Caused by Cholecystoenteric Fistula Demonstrated on Computed Tomography.

    • Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent, Sevda İdil
    • Journal: Case Reports in Medicine
    • Year: 2013
    • Volume/Issue: 2013
    • Article ID: 652960
    • DOI: 10.1155/2013/652960
    • (Kontrol No: 1131426)

    Title: Intestinal Perforation Due to Ingested Chicken Bone Mimicking Crohn's Disease.

    • Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
    • Journal: Case Reports in Gastrointestinal Medicine
    • Year: 2013
    • Volume/Issue: 2013
    • Article ID: 604820
    • DOI: 10.1155/2013/604820
    • (Kontrol No: 1131427)

    Title: Acute pancreatitis induced by hypertriglyceridemia: A case-based review.

    • Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
    • Journal: Turkish Journal of Gastroenterology
    • Year: 2013
    • Volume/Issue: 24(3)
    • Pages: 276-280
    • DOI: 10.4318/tjg.2013.0565
    • (Kontrol No: 1129727)

    Title: An Unusual Complication of Endoscopic Retrograde Cholangiopancreatography: Severe Acute Pancreatitis Leading to Death.

    • Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent, Tarkan Karakan
    • Journal: Case Reports in Gastrointestinal Medicine
    • Year: 2013
    • Volume/Issue: 2013
    • Article ID: 658370
    • DOI: 10.1155/2013/658370
    • (Kontrol No: 1131475)

    Title: A Rare Cause of Abdominal Pain: Mesenteric Panniculitis.

    • Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
    • Journal: Case Reports in Gastrointestinal Medicine
    • Year: 2013
    • Volume/Issue: 2013
    • Article ID: 925259
    • DOI: 10.1155/2013/925259
    • (Kontrol No: 1131476)

    B. Contributions to Scientific Conferences:

    Title: Suicidal poisonings in Turkey: demographic and clinical aspects.

    • Authors: Sarikaya M., Gunes A., Goksu E., Erdogan G., Ozen C., Kaya A.
    • Conference: 30th European Congress of Clinical Toxicology (EAPCCT)
    • Year: 2000
    • Abstract ID: P44
    • (Kontrol No: 1131478)

    Title: A Rare Cause of Gastrointestinal Bleeding: Aortoenteric Fistula.

    • Authors: Doğan Zeynal, Sarıkaya Murat, Filik Levent, Ergül Bilal
    • Conference: World Congress of Gastroenterology
    • Year: 2013
    • Abstract ID: P1367
    • (Kontrol No: 1131479)
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Samet Yardimci

  • 5 Excellent 1 review
  • 22 years of experience
  • Turkey, Istanbul, VM Medical Park Pendik Hospital
  • Prof. Dr. Samet Yardımcı - Specialist in Gastroenterology and General Surgery

    Education and Specialization:

    • Medical Degree: Ankara University Faculty of Medicine (2003)
    • Residency in General Surgery: Haydarpaşa Numune Training and Research Hospital (2003-2009)
    • Fellowship in Gastroenterology Surgery: Türkiye Yüksek İhtisas Training and Research Hospital (2009-2012)

    Professional Experience:

    • 2003-2009: Assistant Doctor at Haydarpaşa Numune Training and Research Hospital
    • 2009-2012: Specialist at Türkiye Yüksek İhtisas Training and Research Hospital
    • 2012-2017: Specialist at Marmara University Pendik Training and Research Hospital
    • 2017-2018: Associate Professor at Marmara University Pendik Training and Research Hospital
    • 2018-Present: Professor at VM Medical Park Pendik Hospital

    Areas of Expertise:

    • Obesity Surgery
    • Gastroenterology Surgery
    • Reflux Surgery
    • Stomach Surgery
    • Laparoscopic Surgery
    • Inflammatory Bowel Diseases
    • Colorectal Surgery

    Research and Publications: Prof. Dr. Yardımcı has numerous publications in international journals, focusing on topics such as liver regeneration, splenic hydatid cysts, and the surgical treatment of gastrointestinal diseases. His research includes innovative methods in bariatric surgery and the treatment of inflammatory bowel diseases.

    Certifications and Awards:

    • Turkish Surgery Competency Certificate
    • International Observership Certificate from Memorial Hermann Hospital, Houston, Texas
    • Best Young Researcher Award at the Congress of Transplantation (2011)
    • Istanbul Provincial Health Directorate Patient Satisfaction Certificate

    Professional Memberships:

    • Turkish Surgery Association
    • Turkish Hepato-Pancreato-Biliary Surgery Association
    • Gastroenterology Surgery Association
    • Turkish Obesity Surgery Association
    • International Federation for the Surgery of Obesity and Metabolic Disorders
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Find out about the best doctors here

20 top ranked Polyps of the gastrointestinal tract doctors in the world are represented on this page. The list includes only verified specialists known for their experience and high success rates.

The ranking is composed according to the Bookimed patient reviews and considers the rating of hospitals where doctors practice.

Top 5 Polyps of the gastrointestinal tract doctors on Bookimed.com:

How to choose the best Polyps of the gastrointestinal tract doctors in the world?

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Famous Polyps of the gastrointestinal tract doctors have vast experience, continue education constantly, participate in professional associations and have positive feedback from patients treated.

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Where you go for medical treatment

Omer Necip Aytug

  • 4.5 Good 182 reviews
  • 45 years of experience
  • Turkey, Istanbul, Hisar Hospital Intercontinental
  • Dr. Omer Necip Aytug is a respected gastroenterologist. He graduated from Hacettepe University School of Medicine in 1980. He became an internist at Cukurova University in 1985. He completed his gastroenterology fellowship at Marmara University in 1997.

    He was named Associate Professor at Firat University in 1989. In 1998, he became a Professor at Abant Izzet Baysal University. Dr. Aytug has written many scientific papers and book chapters. He has also attended several national and international congresses.

    He has held important academic and clinical roles at Duzce University Faculty of Medicine, Camlica Medicana Hospital, and Memorial Service Hospital. These positions have established him as an expert in gastroenterology.

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Benal Buyukgebiz

  • 5 Excellent 42 reviews
  • 31 years of experience
  • Turkey, Istanbul, Istanbul Florence Nightingale Hospital
  • Pediatrician, Pediatric Gastroenterology and Nutrition Specialist

    Education

    Yeditepe University School of Medicine

    Professor of Pediatrics (Chair of the Department)

    2004 - 2007

    Dokuz Eylül University School of Medicine

    Pediatric Gastroenterology Sub-specialty

    1995 – 1998

    Hacettepe University School of Medicine

    Pediatrics Instructor

    1985 - 1987

    Professional Experience

    Ataşehir Florence Nightingale Hospital

    Pediatrician, Pediatric Gastroenterology

    2017 – Present

    Kadıköy Şifa Ataşehir Hospital

    Pediatric Gastroenterology and Nutrition

    2013 – 2017 

    Dokuz Eylül University School of Medicine

    Professor of Pediatrics

    1994 – 2004

    Publications

    Cevik N, Buyukgebiz B. Interaction between human blood group (ABO) substances and enteropathogenic

    bacterial agents. Turk J Pediatr. 1987. Link

    Buyukgebiz B, Ozalp I, Oran O. Investigation of serum vitamin A levels of children who had a history of

    recurrent diarrhoea. J Trop Pediatrics. 1990. Link

    Languages

    Turkish: Native

    English: Advanced

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Shencan Acar

  • 5 Excellent 42 reviews
  • 15 years of experience
  • Turkey, Istanbul, Istanbul Florence Nightingale Hospital
  • Education

    2005 – M.D., Istanbul University, Istanbul Faculty of Medicine

    2010 – Internal Medicine Specialization, Haseki Training and Research Hospital

    2021 – Gastroenterology Subspecialty Training, Sakarya University Faculty of Medicine

    Academic & Professional Experience

    Assistant Professor, Istanbul Florence Nightingale Hospital

    Assistant Professor, Istanbul Bilim University Faculty of Medicine

    Assistant Professor, Istanbul Yeni Yüzyıl University Faculty of Medicine

    Head of Department, Giresun University Faculty of Medicine

    Scientific Publications

    Dr. Acar has authored over 20 international peer-reviewed articles in the fields of internal medicine and gastroenterology. Her notable contributions include studies and case reports on:

    Gastrointestinal bleeding management in anticoagulant users

    Rare GI cases such as bezoars, aortoesophageal fistulas, and massive hemorrhagic ascites

    Liver transplantation complications, including graft-versus-host disease

    The role of (pro)hepcidin in IBD-related anemia

    Endoscopic interventions for acute GI bleeding

    Covid-19 treatment agents and their GI implications in Turkey

    (Full publication list available upon request)

    Clinical Expertise

    Gastrointestinal bleeding & endoscopic procedures

    Hepatology & liver disease management

    Inflammatory bowel diseases (IBD)

    Complex GI case diagnostics

    Post-transplant GI complications

    Diabetic GI and cardiovascular comorbidities

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Ozlem Ozer Chakir

  • 5 Excellent 42 reviews
  • 11 years of experience
  • Turkey, Istanbul, Istanbul Florence Nightingale Hospital
  • Education

    MD; Hacettepe University Faculty of Medicine (2001)

    Residencies

    Internal Medicine; Ministry of Health Ankara Diskapi Education and Research Hospital (2009)

    Pathology; Gazi University Faculty of Medicine (2004)

    Fellowships

    Gastroenterology and Hepatology; Necmettin Erbakan University Faculty of Medicine (2013)

    Experiences

    Demiroglu Bilim University Faculty of Medicine, Department of Gastroenterology and Hepatology

    Istanbul Florence Nightingale Hospital (2019- currently)

    Alanya Alaaddin Keykubat University Faculty of Medicine, Department of Gastroenterology and Hepatology (2017-2019)

    Bundang CHA Hospital, Seoul, Korea (2018)

    Konya Education and Research Hospital, Department of Gastroenterology  (2014-2017)

    Certificates

    Advanced Endoscopy Certificate, Bundang CHA Hospital, Seoul, Korea, 2018

    Bariatric Endoscopy Certificate, Bariatric Endoscopy Global course, Sao Paulo, Brazil, 2020

    Awards

    2019 Rising Star, 10th Digestive Disease and Endoscopy Symposium

    Memberships

    Turkish Society of Internal Medicine

    Turkish Society of Gastroenterology

    ERCP Study Group at Turkish Society of Gastroenterology

    European Society of Gastrointestinal Endoscopy

    Women in Endoscopy, American Society of Gastrointestinal Endoscopy

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Dr Irfan Koruk

  • 4.5 Good 233 reviews
  • 28 years of experience
  • Turkey, Istanbul, Liv Hospital Ulus
  • Areas of Interests

    • General Gastrointestinal Diseases
    • Endoscopic procedures (gastroscopy, colonoscopy, enteroscopy, capsule endoscopy)
    • Interventional endoscopy
    • ERCP
    • Endoscopic ultrasonography (EUS)
    • Cholangioscopy
    • Diseases of the biliary system and pancreas

    Education:
     

    • 1990 -1996 Ankara University Faculty of Medicine
    • 1997 - 2001 Ankara Numune Training and Research Hospital Internal Medicine Residency
    • 2001 - 2003 Turkey High Specialization Training and Research Hospital, Gastroenterology Subspecialization
    • 2010 - 2010 State University of New York, USA, Department of Gastroenterology, EUS training program
       

    Experience:
     

    • June 2024 LIV Hospital Ulus Hospital
    • 2018 - 2024 Florence Nightingale Hospitals, Gastroenterology Clinic
    • 2013 - 2018 Memorial Ataşehir Hospital, Gastroenterology Clinic
    • 2008 - 2013 Gaziantep University Faculty of Medicine, Department of Gastroenterology, Assoc. Prof. Dr.
    • 2008 - 2008 Medicalpark Gaziantep Hospital Gastroenterology Clinic
    • 2004 - 2008 Gaziantep State Hospital Gastroenterology Clinic, Endoscopy Unit Founding Physician

    Publications

    • Arhan M, Koklu S, Koksal AS, Yolcu OF, Koruk S, Koruk I, Kayacetin E. Alverine citrate induced acute hepatitis. World J Gastroenterol 2004; 10(15): 2303-4  ISSN: 1007-9327
    • Parlak E, Cicek B, Koruk I, Disibeyaz S, Sahin B. Successful prevention of stent migration caused by placement of a second stent. Endoscopy. 2005; 37(4): 404. ISSN: 0013-726X
    • Koruk I, Ozturk ZA, Köklü S, Koruk S, Ozdede S. Port-site metastasis after laparoscopic cholecystectomy. Acta Gastroenterol Belg. 2008; 71(2): 283-4      ISSN:0001-5644
    • Koruk I, Parlak E, Secilmis S, Akdogan M, Koklu S.  Endoscopic sphincteroplasty with large balloon dilatation for extraction of difficult common bile duct stones. Dig Dis Sci. 2008 Jun;53(6):1737-8. ISSN: 0163-2116
    • Ozkaya M, Yuzbasioglu MF, Koruk I, Cakal E, Sahin M, Cakal B. Preoperative detection of insulinomas: two case reports. Cases J. 2008 Nov 29; 1(1): 362  ISSN: 1757-1626
    • Yılmaz Ö, Koruk İ, Çayır K, Koruk M, Yılmaz A. Usefullness of serum insulin-like growth factor (IGF-1) and insulin-like growth factor binding protein-3 (IGFBP-3) for colorectal cancer diagnosis. Int J Hematol Oncol 2009; 19(1): 23-27  ISSN: 1306-133X
    • Savaş C, Koruk İ, Koruk M, Kadayıfçı A, Sarı İ. Association of prion protein with the stage of liver fibrosis in chronic viral hepatitis. Trakya Univ Tip Fak Derg. 2010; 27(4): 373-7. DOI: 10.5174/tutfd.2009.02284.1 ISSN: 1301-3149
    • Buyukberber M, Koruk I, Cıkman O, Koruk M, Kucukoglu ME, Sakman A, Demir O, Sahinoz S. Serum cystatin C measurement in differential diagnosis of intra and extrahepatic cholestatic diseases. Ann Hepatol 2010; 9(1): 58-62  ISSN: 1665-2681
    • Gulsen MT, Koruk I, Dogan M, Beyazit Y. Diagnostic accuracy of cascade stomach by upper gastrointestinal endoscopy in patients with obscure symptoms: A multi-center prospective trial. Clin Res Hepatol Gastroenterol. 2011; 35: 489-93. DOI: 10.1016/j.clinre.2011.03.004         ISSN: 2210-7401
    • Koruk I, Aydın U, Koruk S, Aydınlı M. A newly defined biliary anatomic variation. Turk J Gastroenterol 2011; April 22(2): 232-3  DOI:10.4318/ tjg.2011.0204  ISSN: 1300-4948
    • Koruk İ, Özdemir H, Aydınlı M, Tarakçıoğlu M, Koruk M. The relation between serum Cytokeratin 18 and acute pancreatitis: Can it be a serological predictive marker?. Turk J Gastroenterol. 2011. DOI:10.4318/tjg.2011.0256 ISSN: 1300-4948
    • Aydinli M, Koruk I, Koruk S, Aydin U, Kadayifci A. Intraoperative cholangioscopy with an ultrathin endoscope for hemobilia. Endoscopy 2011;43 Suppl 2 UCTN:E410. doi: 10.1055/s-0030-1256897. Epub 2012 Jan 24
    • Aydinli M, Koruk I, Dag MS, Savas MC, Kadayifci A. Ultrathin endoscopy for gastrointestinal strictures. Digestive Endoscopy 2012 May;24(3):150-3. doi: 10.1111/j.1443-1661.2011.01206.x. Epub 2011 Oct 27                 ISSN: 0915-5635
    • Yılmaz Ö, Koruk İ, Onbaş O, Ozgokce M. Portal venous gas resulting from enteritis in a case with portal hypertension: Case report. Türkiye Klinikleri Tıp Bilimleri Dergisi. 2012; 32 (4): 1195-8 ISSN: 1300-0292
    • Demiryürek S, Koruk I, Bozdag Z, Ozkara E, Kaplan DS, Oztuzcu S, Cetinkaya A, Alasehirli B, Demiryürek AT. Investigation of the esophageal Rho-kinase expression in patients with Barrett's esophagus. Ultrastruct Pathol. 2013 Aug;37(4):284-9. doi: 10.3109/01913123.2013.797064        ISSN: 0191-3123
    • Dag MS, Ozturk ZA, Koruk I, Kısacık B, Gerenli O, Aydınlı M, Kadayıfcı A. Intestinal Behcet's disease with severe pulmonary arterial involvement mimicking ulcerative colitis. Asian Biomedicine. 2013; 7(5): 715-8      ISSN: 1905-7415
    • Dağ MS, Aydınlı M, Oztürk ZA, Türkbeyler IH, Koruk I, Savaş MC, Koruk M, Kadayıfçı A. Drug- and herb-induced liver injury: a case series from a single center. Turk J Gastroenterol. 2014 Feb;25(1):41-5. doi: 10.5152/tjg.2014.4486ISSN: 1300-4948
    • Kadayifci A, Atar M, Parlar S, Balkan A, Koruk I, Koruk M. Transnasal endoscopy is preferred by transoral endoscopy experienced patients. J Gastrointestin Liver Dis. 2014 Mar;23(1):27-31     ISSN: 1841-8724
    • Alasehirli B, Oğuz E, Oksuzler E, Koruk I, Oztuzcu S, Ozkara E, Karakok M, Erbagcı AB, Demiryurek AT. Investigation of intercellular adhesion molecules (ICAMs) gene expressions in patients with Barrett's esophagus. Tumour Biol. 2014 May;35(5):4907-12. doi: 10.1007/s13277-014-1644-3      ISSN: 1010-4283
    • Dag M, Özturk Z, Aydınlı M, Koruk I, Kadayfçı A. Postpartum hepatotoxicity due to herbal medicine Teucrium polium. Ann Saudi Med. 2014 Nov-Dec;34(6):541-3. doi: 10.5144/0256-4947.2014.541        ISSN: 0256-4947
    • Tahtacı M, İbiş M, Koruk İ, Parlak E. Endoscopic removal of fractured basket traction wire. Turk J Gastroenterol. 2014 Dec;25 Suppl 1:324-5. doi: 10.5152/tjg.2014.6582            ISSN: 1300-4948
    • Dağ MS, Koruk İ, Aydınlı M, Çam H, Öztürk ZA, Kadayıfçı A. An unusual cause of esophageal ulcer; sertraline hydrochloride. Turk J Gastroenterol. 2014 Dec;25 Suppl 1:250-1. doi: 10.5152/tjg.2014.4646  ISSN: 1300-4948
    • Balkan A, Yılmaz N, Balkan Y, Koruk İ, Örkmez M, Aydınlı M, Koruk M. Relationship between liver injury and serum cytokeratin 18 levels in asymptomatic hepatitis B virus carriers and in patients with chronic hepatitis B infection. Arab Journal of Gastroenterology. 2017; 18: 98–103                   ISSN: 1687-1979
    • Koruk İ. How to manage difficult cannulation in ERCP. Gastroenterology and Hepatology: Open Access. 2017, 6(3): 00194. DOI: 10.15406/ghoa.2017.06.00194 ISSN: 2373-6372
    • Valori R, Cortas G, de Lange T, Balfaqih OS, de Pater M, Eisendrath P, Falt P, Koruk I, et al.  Performance measures for endoscopy services: A European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative.  Endoscopy 2018; 50: 1186–1204   ISSN 0013-726X
    • Koruk S, Koruk I, Mizrak A. A, Bilgi M, Gul R, Bozgeyik S. Dexmedetomidine or midazolam in combination with propofol for sedation in endoscopic retrograde cholangiopancreatography: a randomized double blind prospective study. Videosurgery Miniinv. 2020; 15(3): 526-32 doi.org/10.5114/wiitm.2020.95066
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Ekrem Aslan

  • 4.5 Good 233 reviews
  • 35 years of experience
  • Turkey, Istanbul, Liv Hospital Ulus
  • Areas of Interests

    • Inflammatory Bowel Disease (Ulcerative Colitis, Crohn's Disease)
    • Chronic Liver Diseases and Cirrhosis
    • Motility Disorders
    • Gastroesophageal Reflux Disease
    • Gall bladder and biliary tract diseases

    Education and Experiences

    • Istanbul University Cerrahpasa School of Medicine  1999-2005
    • Okmeydani Education and Research Hospital 2005-2010
    • Yeditepe University School of Medicine 2011-2015
    • Liv Hospital Ulus 2018 -
    • Haydarpaşa Education and Research Hospital, Department of Gastroenterology 2015-2018
    • Yeditepe University School of Medicine, Department of Gastroenterology 2011-2015
    • Erciş State Hospital 2010-2015
    • Okmeydani Education and Research Hospital Department of Internal Medicine 2005-2010

    Publications in International Refereed Journals:

    1. Aslan E, Tecimer T. Periampullary nodularity in an asymptomatic patient. Gastroenterol Hepatol. 2023 Apr;46(4):307-308. English, Spanish. doi: 10.1016/j.gastrohep.2022.09.006. Epub 2022 Sep 26. PMID: 36174798.

    2. Gonen C, Surmelioglu A, Kochan K, Ozer S, Aslan E, Tilki M. Impact of intestinal ultrasound with a portable system in the management of Crohn's disease. Gastroenterol Rep (Oxf). 2020 Dec 10;9(5):418-426. doi: 10.1093/gastro/goaa088. PMID: 34733527; PMCID: PMC8560037.

    3. Güzelbulut F, Gökçen P, Can G, Adalı G, Değirmenci Saltürk AG, Aslan E, Özdil K, Doğanay HL. Comparison of the Efficacy of Entecavir and Tenofovir in Reducing Hepatocellular Carcinoma Risk in Chronic Hepatitis B Patients: A Real-Life Study in Turkey. Turk J Gastroenterol. 2021 Apr;32(4):412-421. doi: 10.5152/tjg.2021.20423. PMID: 34231488; PMCID: PMC8975336.

    4. Abbasov A, Aslan E, Ekici AID, Dolay K. A rare subepithelial lesion in the stomach: Gastric adenomyoma. Surg Pract. 2021; 25: 116–119. https://doi.org/10.1111/1744-1633.12495

    5. Aslan E. Black esophagus. Intern Emerg Med. 2021 Mar;16(2):503-504. doi: 10.1007/s11739-020-02463-4. Epub 2020 Aug 3. PMID: 32748126.

    6. Batman B, Altun H, Simsek B, Aslan E, Namli Koc S. The Effect of Laparoscopic Sleeve Gastrectomy on Nonalcoholic Fatty Liver Disease. Surg Laparosc Endosc Percutan Tech. 2019 Dec;29(6):509-512. doi: 10.1097/SLE.0000000000000672. PMID: 31107849.

    7. Aslan E, Gonen C. A rare cause of rectal bleeding. Acta Gastroenterol Belg. 2018 Apr-Jun;81(2):350. PMID: 30024717.

    8. Eren OO, Ozturk MA, Sonmez O, Aslan E, Ozkan F, Oyan B. Gastric metastasis in a patient with lobular breast carcinoma 6 years after diagnosis. J Gastrointest Cancer. 2014 Dec;45(4):504-5. doi: 10.1007/s12029-014-9619-6. PMID: 24788083.

    9. Aslan E, Akyüz Ü, Pata C. The use of Ankaferd in diverticular bleeding: two case reports. Turk J Gastroenterol. 2013;24(5):441-3. doi: 10.4318/tjg.2013.0640. PMID: 24557969.

    10. Ozturk MA, Eren OO, Sarikaya B, Aslan E, Oyan B. Pituitary metastasis of colon adenocarcinoma: a rare occurrence. J Gastrointest Cancer. 2014 Dec;45 Suppl 1:85-7. doi: 10.1007/s12029-013-9554-y. PMID: 24158699.

    11. Altintas N, Aslan E, Helvaci A, Malhotra A. Relationship between obstructive sleep apnea severity index and left ventricular function and volume. Ann Saudi Med. 2012 Jul-Aug;32(4):384-90. doi: 10.5144/0256-4947.2012.384. PMID: 22705609; PMCID: PMC3821963.
     

    Publications in National Refereed Journals:

     

    1. Ekrem Aslan, Ayça Saltürk, Koray Koçhan, Serhat Özer, Halil Şahin, Osman Bedir, Mevlüt Kıyak, Emine Kanatsız, Ali Sürmelioğlu, Can Gönen, Fatih Güzelbulut. Evaluation of the Efficacy and Safety of Self-Expanding Metal Stents in Malignant Esophageal Strictures Due to Esophageal and Extraesophageal Cancers: A Retrospective Cross-Sectional Cohort Study. Haydarpasa Numune Med J. 2024; 64(3): 381-390

    2. Aslan, E., Gönen, C., Saltürk, A., & Güzelbulut, F. (2018). Hepatotoxicity After Desflurane Anesthesia. The Medical Journal Of Haydarpaşa Numune Training and Research Hospital, 58(4), 224-226.

    3. SALTÜRK, A. D., ARSLAN, E., GÖKDEN, Y., KOÇHAN, K., ÖZER, S., & GÖNEN, C. (2016). A rare first finding of Crohn's disease: acute pancreatitis. academic journal of gastroenterology, 15(2), 88-89.

    4. İçten, S., Altintas, N., Helvaci, A., & Aslan, E. (2013). Clinical Characteristics and Evaluation of Sarcoidosis Cases in Our Center, Our 7-Year Experience.

    5. Akyüz, Ü., Akyüz, F., Özdil, K., Aslan, E., Niğdelioğlu, A., Ağan, A. F., ... & Pata, C. (2012). Food impaction in advanced age: Remember eosinophilic esophagitis. academic journal of gastroenterology, 11(2), 78-80.

    6. PATA, C., ASLAN, E., & AKYÜZ, Ü. (2000). Advanced Endoscopic Procedures. Current Gastroenterology, 22, 77-85.

    7. Altintas, N., Yildiran, I., Aslan, E., & Helvaci, A. Mucociliary Dysfunction in Bronchial Asthma and Effect of Inhaled Corticosteroids Treatment on Mucociliary Clearance.

    8. Ozturk, M. A., Dogan Ekici, I., Aslan, E., Erdik, B., & Oyan Uluc, B. A PAINFUL, ERYTHEMATOUS, NODULAR LESION IN BUCCAL REGION. YEDITEPE MEDICAL JOURNAL, 6(23), 555-558.

     

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Yilmaz Bilgic

  • 5 Excellent 3 reviews
  • 24 years of experience
  • Turkey, Istanbul, Medipol Acibadem District Hospital
  • ACADEMIC CAREER SUMMARY

    Degree: Bachelor's
    Field: Medicine
    University: Atatürk University
    Year: 2001

    Degree: Master's
    Field: Medicine
    University: Atatürk University
    Year: 2001

    Specialization/Doctorate: Internal Medicine/Gastroenterology
    University: İnönü University
    Year: 2012

    Associate Professorship: Gastroenterology
    University: İnönü University
    Year: 2018

    Foreign Language: English, 67.5, 2007

    H-index (WoS/Google): 8/10

    Impact Factor: 8.1577

    Key Research Work:
    “Does apocynin increase liver regeneration in the partial hepatectomy model?” Yılmaz Bilgiç, Burhan Hakan Kanat, Onural ÖZHAN, Azibe YILDIZ, Zeynep AKSUNGUR, Mehmet Erman ERDEMLİ, Nigar VARDI, Yusuf TÜRKÖZ, Sami AKBULUT, Adem KÖSE, Hakan PARLAKPINAR. Turkish Journal of Medical Sciences, 2023 (53), 1-12 Q3.

    Declared Project Title, Year:
    K.3.6. “Investigation of the Effects of Vinpocetine in Sepsis Created by Cecal Ligation and Puncture in Rats” (Principal Investigator), 2023

    International Experience:
    Advanced Endoscopy Training, Anam Hospital, South Korea (3 months, 2016)
    Advanced ERCP Course, Olympus Training Center, Hamburg (2017)

    ADMINISTRATIVE POSITIONS

    • Institution: İnönü University Turgut Özal Medical Center
      City: Malatya
      Position: Assistant Chief Physician
      Period: 2021 - 2024
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Hamdi Levent Doganay

  • 5 Excellent 1 review
  • 24 years of experience
  • Turkey, Istanbul, VM Medical Park Pendik Hospital
  • Education & Expertise

    1995 to 2001 | Ege University Faculty of Medicine – Medical Education

    2001 to 2006 | Dokuz Eylül University Faculty of Medicine – Internal Medicine Specialization

    2008 to 2011 | Göztepe Training and Research Hospital – Gastroenterology Subspecialty

    2014 | Ümraniye Training and Research Hospital – Associate Professor of Gastroenterology

    2021 | University of Health Sciences – Professor

     

    Professional Experience

    2007 | Nusaybin State Hospital – Internal Medicine Specialist (Civil Service Obligation)

    2011 to 2014 | Ümraniye Training and Research Hospital – Gastroenterology Specialist

    2014 to 2017 | Ümraniye Training and Research Hospital – Associate Professor of Gastroenterology

    2017 to 2021 | Health Sciences University – Associate Professor of Gastroenterology

    2015 to 2021 | Ümraniye Training and Research Hospital Gastroenterology Clinic – Clinic Chief

    2021 to 2022 | University of Health Sciences – Professor of Internal Medicine and Gastroenterology

    2015 to 2022 | Genomic Laboratory (GLAB) Coordinator, Istanbul Provincial Health Directorate

    2014 to 2021 | Northern Clinics of Istanbul Journal (indexed in WoS and PubMed) – Founding Editor

    2021 to Present | Turkish Liver Research Association – Board Member

    2022 to Present | Hepatology Bulletin Journal – Editor

    2019 to Present | Hepatology Forum Magazine – Editor

    2016 to Present | World Journal of Hepatology – Editor

     

    International Experience

    1999 | Trainee Doctor, Regional Infectious Diseases Unit, Western General Hospital, Edinburgh, UK

    2000 | Trainee Doctor, Cardiology Unit, North Manchester General Hospital, Manchester, UK

    2005 | Assistant Doctor, Regional Infectious Diseases Unit, Western General Hospital, Edinburgh, UK

     

    Professional Memberships

    Turkish Gastroenterology Association

    Turkish Liver Research Association

    EASL – European Association for the Study of Liver

    APASL – Asian Pacific Association for the Study of Liver

    AAAS – American Association for the Advancement of Science

     

    Awards & Recognitions

    2013 | Liver Fibrosis Pathways in Chronic Hepatitis B: A Comparative Proteomic Study – Gilead Fellowship Award

    2014 | Liver Fibrosis Pathways in Chronic Hepatitis B: A Comparative Proteomic Study – Viral Hepatitis Fight Association Project Support Award

    2014 | The Relationship between Spontaneous Seroconversion and Toll-Like Receptor Gene Polymorphism in Hepatitis B Infection – Turkish Gastroenterology Association, Best Poster Second Prize

    2015 | Research on Damage Pathways in Liver Tissue in Chronic Hepatitis B: A Comparative Proteomic Study – Turkish Gastroenterology Association, Best Oral Presentation Third Prize

    2016 | Investigations of the EGF and Its Receptor EGFR Gene Variants in Ulcerative Colitis – XV Euroasian Congress of Gastroenterology and Surgery, Best Oral Presentation Third Prize

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