Best Gastroscopy with biopsy gastroenterologists: TOP 107 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.

Prof. Kopty is a highly qualified specialist in internal medicine, gastroenterology, endoscopy, hepatology, and various liver diseases, with expertise and practical experience in more than 28,000 diagnostic and therapeutic endoscopy specializations. He also has awards and publications in the fields of hepatology, hepatitis C and B, endoscopy, and best clinical endoscopy quality certificates.

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 

Dr. Rosen is a specialized abdominal surgeon with expertise in endocrine, gastrointestinal, liver, colon, and appendectomy surgery. He is also experienced in treatments such as anal fissure, gallbladder, gastric anastomosis, and sleeve gastrectomy surgery. He is a member of various medical councils and serves as President of the European Society of Surgery. He is also a professor of surgery at the Vienna Medical School.

Dr. Siegbert Rossol is a highly experienced gastroenterologist with over 34 years of experience in the field. He is a member of various medical societies and has studied human medicine, health management, and interventional sonography. He has published numerous articles and has exceptional expertise in endoscopic therapy, endobarrier therapy, and inflammatory bowel disease.

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

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. 

Specializations

Oncological Surgery (Cancer Surgery)

Breast Diseases Surgery

Gallbladder and biliary tract diseases surgery

Thyroid – Parathyroid Surgery

Inguinal and Abdominal Wall Hernia, Stomach Hernia Surgery

Closed (Laparoscopic) Hernia Surgery

Endoscopy Applications

Treatment of Gastrointestinal System Diseases

Education and Career

2011 – 2015, (Internal Medicine Specialist) Istanbul University Istanbul School of Education and Career

Medicine Department of Internal Medicine

2015 – 2016, (Internal Medicine) Specialist Istanbul Haydarpasa Numune Training and Research Hospital

2016 – 2019, (Medical Oncology) Istanbul University Istanbul School of Medicine Department of Medical Oncology

2019 – 2021, (Medical Oncology Specialist) - Istanbul Haydarpasa Numune Training and Research Hospital

2021 – 2024, (Associate Professor) Marmara University School of Medicine Department of Medical Oncology

Memberships in Scientific Organizations

ASCO

ESMO

TTOD 

AVOD 

Publications

In the field of oncology, he has published over 30 peer-reviewed articles at both international and national levels.

Awards Received

EAACI The European Academy of Allergy and Clinical Immunology 2019 Best Poster Award

"The top 3rd verbal presentation, IGICC (11th International Gastrointestinal Cancers Conference – IGICC2021)"

Speeches Delivered at National Congresses, Conferences, and Symposia:

Courses, Meetings, and Certificates

ESMO certified Medical Oncologist since 2019

El Dr. Jesús Montoya Ramírez es un Médico Certificado con Especialidad en Cirugía General y Subespecialidad en Cirugía Bariátrica y Robótica, Es un Cirujano con mucha experiencia en el tratamiento de la Obesidad y cuenta con las Certificaciones en Cirugía Bariátrica ( CMCOEM), Cirugía Robótica (Cyber Robotics-Intuitive Surgery) y Cirugía General (CMCG).

Cuenta con Reconocimiento en México y Latinoamérica por su aportación académica, además de laborar en el tratamiento quirúrgico de la Obesidad. Es Profesor titular del curso de Alta Especialidad en Medicina y Cirugía Bariátrica en la Universidad Nacional Autónoma de México-ISSSTE

Born in Trabzon in 1972, Dr. İzzettin Kahraman began his medical studies at Karadeniz Technical University Faculty of Medicine in 1989 and earned his Medical Doctor degree in 1995. Following two years as a general practitioner, he embarked on his specialization training in 1997. He completed his residency at Ankara Oncology Training and Research Hospital, becoming a General Surgery Specialist in 2002.

Dr. Kahraman worked as a General Surgery Specialist in public hospitals, including Trabzon Numune Hospital and Bakırköy Dr. Sadi Konuk Training and Research Hospital, for 13 years. From 2016 to 2018, he served as a Lecturer at University of Health Sciences. In 2019, he transitioned to the private sector, continuing his career in private hospitals.

Throughout his career, Dr. Kahraman has engaged in a wide range of training programs both in Turkey and abroad. In 2007, he earned a Surgical Endoscopy Certificate and furthered his expertise in laparoscopic hernia treatments in Hamburg, Germany, in 2008. He also completed a course on Nutrition Practices and Training at Ondokuz Mayis University and a specialized course in laparoscopic hernia repair in Istanbul in 2010.

In 2011, after completing the "Emergency Surgery" course in Istanbul organized by the European Society for Trauma and Emergency Surgery (ESTES), Dr. Kahraman received training in SILS (Single Incision Laparoscopic Surgery) Cholecystectomy at Gazi University in Ankara. Since then, he has specialized in advanced laparoscopic techniques, with a particular focus on endoscopy, gastric diseases, obesity, and metabolic surgery.

In 2021, Dr. Kahraman obtained certificates in Ozone Therapy and Mesotherapy from Medipol University. 

Since 2023, he has been serving at Estexper Clinic, Istanbul.

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)

Gastroenterologist

• Surgical treatment: laparoscopic operations to remove all types of hernias (inguinal hernias, femoral hernias, umbilical hernias, postoperative ventral hernias, esophageal opening of the diaphragm and other types of abdominal wall hernias).

• Treatment of gallstone disease, removal of the gallbladder (cholecystectomy), stones in the ducts.

• Operative treatment for acute conditions (acute appendicitis, acute cholecystitis, perforating ulcer, perforation of a diverticulum, intestinal obstruction, purulent-septic diseases), all conditions of "acute abdomen".

• Treatment of oncological diseases of the stomach, intestines and other organs of the abdominal cavity and retroperitoneal space.

• Treatment of varicose veins of the legs.

• Operative treatment of obesity (bariatric surgery) and metabolic dysfunction.

• Colitis, hemorrhoids, anal itching, fissures, constipation and diarrhea, anal sphincter weakness, anal sphincter incontinence due to rupture of the perineum after childbirth.

• Abdominal injuries.

• Perianal condylomas.

• Polypos.

• Proctitis, paraproctitis and others.

Op. Dr. Merve Karlı has completed her medical education at Eskişehir Osmangazi University Faculty of Medicine, Bakırköy. She received her specialist training at Sadi Konuk Training and Research Hospital.

She has performed over 1000 operations in the fields of benign anorectal diseases, laparoscopic / open hernia surgery, breast diseases, trauma and emergency surgery. She has certifications on endoscopic procedures.

MEDICAL INTERESTS

• Breast Diseases
• Benign Anorectal Diseases
• Laparoscopic and Open Hernia Surgery
• Endoscopy (Gastroscopy, Colonoscopy, PEG Insertion)

Professor Prager is an outstanding surgeon in the field of bariatrics and is involved in research, education, and advanced training. He is Chairman of the Scientific Advisory Board for Bariatric Surgery at IFSO, and has performed more than 3,000 bariatric operations using various methods. He has a professional network of endocrinologists, psychologists, therapists, nutritionists, sports therapists, pediatricians and teenage psychologists to provide comprehensive treatment for his patients.

Specializations

Cancer Surgery

Pancreatic Surgery

Bile Duct Surgery

Bariatric Metabolic Surgery

Oncological Surgery

Breast Surgery

Gastric cancer

Colon cancer

Thyroid Cancer

Obesity Surgery

Diabetes Surgeries

Professor Schindl is a senior consultant in the clinical department of general and abdominal surgery at the University Hospital of Surgery at the Vienna General Hospital and specializes in surgeries of the pancreas, liver, gallbladder and biliary system, as well as internal organs, tissue breaks, hemorrhoids, obesity, septic surgery, endoscopy and gastrointestinal mirrors. He is also involved in surgical cancer therapy.