Best Comprehensive diagnosis of Сolorectal Pathology doctors: TOP 81 doctors

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.

She has been working as an internal medicine specialist and medical oncology specialist at Anadolu Medical Center since 2021.
 

Dr. Mustafa Solak is a medical oncologist with expertise in breast, testicular, ovarian, lung, head-neck, and gastrointestinal cancers. He graduated from Hacettepe University School of Medicine. He completed his residency at Istanbul Sisli Etfal Teaching and Research Hospital. He then pursued a fellowship at Hacettepe University Cancer Institute.

Dr. Solak has managed many complex cancer cases. He has contributed to clinical advancements at respected centers, including the University of Texas MD Anderson Cancer Center. He has also worked at Hitit University Corum Training Hospital and Medical Park Hospital. His experience shows a strong commitment to cancer care and research.

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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Dr. Sertkaya graduated from Konya Meram Science High School in 2001 and entered Gazi University Medical Faculty the same year, graduating in 2008. He completed his urology specialization at Haydarpaşa Numune Training and Research Hospital in 2014, becoming a urology specialist.

Since becoming a specialist, he has focused on the sub-branch of Andrology, attending various training sessions and conferences and performing surgeries with some of the world's leading Andrology professors. In 2017, he passed the written and oral proficiency exams conducted by the European Association of Urology, earning the title of "FEBU."

In 2020, Dr. Sertkaya achieved the rank of Associate Professor of Urology. His journey in Urology and Andrology, which began in 2008, continues at the Andro Expertise Male Health and Aesthetics Center, which he founded in 2022. He sees patients in his own clinic and performs surgeries at affiliated hospitals.

Education and Academic Titles

• Hacettepe University Faculty of Medicine – Medical Degree, 1992
• Başkent University Faculty of Medicine – General Surgery Residency, 1995
• Ankara Numune Training and Research Hospital – General Surgery Residency, 2000
• Gaziantep University Faculty of Medicine – Assistant Professor of General Surgery, 2007
• Interuniversity Council – Associate Professorship, 2018
• Istanbul Aydın University – Professorship, 2023
• Second Bachelor’s Degree: Anadolu University – Public Administration, 2008
• Master’s Degree: Akdeniz University – Health Law, 2023

Dr. Bilal Ergul, MD, is a pioneering force in the field of gastroenterology.  

His innovative treatment protocols have transformed the lives of many patients, including a remarkable case where he successfully treated a patient with a Peroral Endoscopic Myotomy (POEM) surgery.

Dr. Bilal Ergul, often says, ‘Healing is more than treating a condition; it’s about restoring hope and improving lives.’ This philosophy is evident in every aspect of his work, making his and his team truly inspirational figure in the medical community."
He has authored around 100 publications in different academic topics

Education and Specialization

• Ankara University Faculty of Medicine – Medical Education
• Ankara University Faculty of Medicine – General Surgery Specialization
• Akdeniz University Faculty of Medicine – Associate Professorship
• Akdeniz University Faculty of Medicine – Professorship

Professional Memberships
• Turkish Medical Association
• Mediterranean Health Foundation
• Akdeniz University Development and Health Foundation
• Transplantation Organizations Coordination Association
• National Surgical Association

Education and Specialization

• Faculty of Medicine, Hacettepe University
• 1999 - Akdeniz University, Faculty of Internal Medicine, Internal Medicine Specialization Training
• Internal Medicine Specialization Training in the USA, Akdeniz University (2013 - 2014)
• Internal Medicine Specialization Training in the USA (2013 - 2014) - Medical Oncology Department
• Akdeniz University, Faculty of Medicine, Department of Medical Oncology (Received Associate Professorship title)

Work Experience

• 2009 - Kayseri Training and Research Hospital, Hospital
• Acıbadem Kayseri
• 2017 - 2018 - Lara Private Anadolu Hospital
• 2018 - Medical Park Antalya Hospital Complex

Expertise

• Diagnosis of organ tumors
• Chemotherapy in cancer treatment
• Targeted cancer therapies
• Immunotherapy in cancer treatment
• Next-generation genetic research in cancer treatment
• Complementary medicine in cancer treatment
• Medical oncology

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

Doctor Brenda Pastrana is a mexican surgical Oncologist. 

Medical background.

Centro Medico Nacional 20 de Noviembre Issste, Surgical Oncologist in 2020.

Title by Universidad Autónoma de México UNAM.

Surgical Residency Instituto Mexicano del Seguro Social. 2015.

Title by Universidad de Quintana Roo. 

Board Certified by Conacem from 2020 to 2025 number 2171 

Board Certified by Conacem from 2025 to 2030 number 2171

Member of SMEO. Sociedad Mexicana de Oncología. 

University teacher at Universidad Anahuac of Medicine since 2020.

Dr. Andrej Orságh is a gastroenterologist, certified in 2015. He has worked at the Gastroenterology Department of the National Cancer Institute (NOÚ) since 2016. Since 2019 he has been the institute’s specialist consultant for colorectal cancer screening. He leads the colorectal cancer screening working group of the Slovak Gastroenterological Society. He is vice-chair of its Endoscopy Section and chair of its Oncology Section.

He graduated from Comenius University in 2009. He trained at the Gastroenterology Clinic of the University Hospital in Bratislava and at the Slovak Medical University. He shares his expertise at professional conferences and in publications. He also teaches basic and advanced endoscopic techniques in NOÚ courses.

Dr. Boris Pekárek is a gastroenterologist. He graduated from the Faculty of Medicine, Comenius University in Bratislava in 2002. He worked at the Internal Medicine Clinic in Trnava from 2002 to April 2010. He obtained his specialization in gastroenterology in 2008.

Since April 2010, he has worked at the Gastroenterology Department of the National Cancer Institute. He has led the department since 2017. He completed several specialized training courses abroad. He focuses on endoscopic diagnosis and treatment of early tumors of the esophagus, stomach, colon, and rectum.

He served as chair of the Oncology Section of the Slovak Gastroenterological Society from 2018 to 2024. He is the current chair of its Endoscopy Section and a member of the Society’s committee. He publishes, lectures at conferences, and trains basic and advanced endoscopic techniques in Slovakia and abroad.

Dr. Juraj Letkovsky has been a gastroenterologist at the Gastroenterology Department of the National Cancer Institute (NOÚ) since 2017. He graduated in medicine in 2012 and earned a PhD in internal medicine in 2016. He obtained specialization in gastroenterology in 2018.

His practice focuses on advanced endoscopic diagnosis and treatment of digestive tract tumors. He performs endosonography and ERCP for pancreatic and biliary diseases.

He serves on the Young Gastroenterologists, Endoscopy, and Oncology sections of the Slovak Gastroenterology Society. He is a co-author of an ongoing multicenter study on colonoscopy quality in Slovakia. He holds certificates in diagnostic and interventional esophagogastroduodenoscopy (2022) and endoscopic retrograde cholangiopancreatography (2023).

Dr. Daniela Osuská is a gastroenterologist. She graduated from the First Faculty of Medicine, Charles University, in 2010. From 2010 to 2019 she worked as a secondary physician at the Internal Medicine Clinic of Nitra University Hospital. There she began performing endoscopies. Since 2019 she has worked at the Gastroenterology Department of the National Cancer Institute. She earned her gastroenterology specialization in 2021.

She serves on the supervisory board of the Oncology Section of the Slovak Gastroenterological Society and the Section of Young Gastroenterologists. She publishes and presents her work in Slovakia and abroad. She also trains physicians in endoscopic techniques.

Dr. Yahya Özel is a highly experienced general surgeon with expertise in bariatric surgery, hepatobiliary diseases, abdominal hernias, endocrine surgery, and oncological surgery. He completed his medical education at Istanbul University, Istanbul Faculty of Medicine in 1990 and pursued his specialization in General Surgery at Haydarpaşa Numune Training and Research Hospital between 2001 and 2006. His commitment to advanced surgical techniques led him to further training at Tokyo University Hospital, Japan, in the Hepato-Biliary-Pancreatic Surgery and Artificial Organ Division under renowned experts M. Makuuchi and N. Kokudo.

Throughout his career, Dr. Özel has worked at prestigious institutions, including Istanbul University Faculty of Medicine, Haydarpaşa Numune Training and Research Hospital, and Ümraniye Training and Research Hospital. His extensive experience includes roles in ERCP and surgical endoscopy, as well as advanced laparoscopic and robotic surgery. In addition to his clinical practice, he has served as an academic faculty member at Doğuş University, contributing to the education and training of future medical professionals.

Dr. Özel holds several certifications in surgical endoscopy, including the Turkish Surgical Proficiency Certificate. His dedication to minimally invasive surgical techniques, obesity treatment, and hepatobiliary surgery has made him a sought-after specialist in his field. With a career spanning over three decades, he continues to provide high-quality, patient-centered surgical care, ensuring the best outcomes through his expertise and innovative approach.

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)

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.

A specialist in the digestive system through MIR from the Hospital Clinic of Barcelona and a Doctor of Medicine from the University of Barcelona, he received his PhD from the University of Barcelona.

He completed his postgraduate training in the Gastroenterology Service of the Barcelona Hospital Clinic and then in the Department of Gastroenterology at Case Western Reserve University (Cleveland, USA), where he conducted cutting-edge research on inflammatory bowel diseases (IBD, Crohn's disease and ulcerative colitis).

From 2004 to 2011 he worked in the Gastroenterology Department of the Barcelona Hospital Clinic / IDIBAPS, and since 2011 he has worked as a specialist doctor in the Digestive System Department of the Teknon Medical Center in Barcelona.

He was a member of the Scientific Committee of ECCO and coordinator of the European project "IBDChip". He is the author of more than 150 publications and 500 presentations at conferences and conferences.

Experience:

Digestive system specialist, completed the MIR training program and completed his residency in this specialty at the Provincial Hospital of Barcelona between 1993 and 1996.

Doctor of Medicine from the University of Barcelona with the qualification "Distinguished Diploma Unanimously". In 2001 he received the Distinguished Doctorate from the University of Barcelona.

Between 1997 and 1999, he completed his postgraduate training in the Gastroenterology Department of the Provincial Hospital of Barcelona. Subsequently, he completed two internships in the Gastroenterology Department of Case Western Reserve University in Cleveland, USA, between 2000 and 2003, where he conducted cutting-edge research in the field of gastroenterology.

Since 2004 he has been working in the Gastroenterology Service of the Provincial Hospital of Barcelona / IDIBAPS, focusing on the treatment and research of inflammatory bowel diseases.

He is the author of numerous publications, conference papers and book chapters both nationally and internationally.

Member of the Catalan Society of Gastroenterology, the Spanish Association of Gastroenterology, the Spanish Working Group on Crohn's Disease and Ulcerative Colitis and the American Gastroenterological Association.

Areas of special interest: storage rhythm disorders, chronic diarrhea, inflammatory bowel diseases (Crohn's disease and ulcerative colitis) and other causes of chronic intestinal inflammation.