Best Polyps of the gastrointestinal tract doctors: TOP 82 doctors

Prof. Dr. Erdem Akbal was born in 1978 in Kırıkkale. In 2015, he received training at the Johns Hopkins Hospital Advanced Endoscopy Unit, focusing on Endoscopic Ultrasonography and advanced endoscopic procedures. In 2017, he trained at the Amsterdam Academic Medical Center in techniques such as endoscopic submucosal dissection, endoscopic mucosal resection, diffuse esophageal spasm, and endoscopic full-thickness resection for treating early-stage gastrointestinal system tumors. He also received training in high-resolution manometry and POEM (Peroral Endoscopic Myotomy) for diagnosing esophageal diseases like achalasia. In 2018, he furthered his education in ESD and Balloon Enteroscopy at Jichi University.

The doctor analyzes the patient's health condition, taking into account his physical, social and psychological characteristics. Selects the optimal treatment and monitors its implementation, and also ensures long-term monitoring of the patient's health. Organizes consultations with specialized specialists, refers for laboratory tests and diagnostic procedures, conducts preventive and explanatory work with the patient and his family.

The doctor treats such diseases as anaphylactic shock, arterial hypertension, ischemic heart disease, angina pectoris, chronic obstructive pulmonary disease. Also treats cystitis, gastritis and acute respiratory viral infection.

Viral hepatitis A, B, C, D

Cirrhosis

Autoimmune liver diseases

Fatty liver

Diseases of the stomach and intestines

Diseases of the pancreas

Services in the field of biological medicine:

Treatment of various drug-induced liver poisonings, viral hepatitis (hepatitis B, hepatitis C), hepatosis, hepatosterosis, autoimmune hepatitis.

EDUCATION: Azerbaijan Medical University

EXPERIENCE:

2009-2010 General practitioner in a private clinic.

Clinic of biological medicine since 2011.

TRAINING AND MEMBERSHIP:

In 2013-2014, internship on viral hepatitis at the Department of Microbiology and Infection, as well as at the Department of Gastroenterology, Faculty of Medicine, Ege University, Turkey.

Ankara Hacettepe Hospital

Prof. Dr. med. Ulrich Graven

Head of the Clinic of Hematology, Oncology and Gastroenterology

Head of a certified oncology center

Head of Clinical Research Department

Specialization:

Hematology, including stem cell transplantation

Abdominal oncology, especially colorectal and pancreatic cancer therapy

Metastasis therapy, including the use of off-label drugs

Membership in professional societies:

Professional Union of German Therapists

German Society for Internal Medicine

German Cancer Society

Abdominal Oncology Working Group

German Society of Hematology and Oncology

German Working Group on Bone Marrow and Hematopoietic Stem Cell Transplantation

German Society for Digestive and Metabolic Diseases

European Society for Medical Oncology

American Society of Clinical Oncology

American Association for Cancer Research

Activities in professional communities:

German Cancer Society:

Since 2013, speaker of the commission for certification of oncology centers

Since November 2007, member of the board

Since September 2022, Speaker of the Section of National Societies on Cancer Control

Chairman of the working group on abdominal oncology of the German Cancer Society, drafting clinical guidelines for the treatment of colorectal and pancreatic cancer.

Chairman of the Oncology Society of North Rhine-Westphalia.

Member of the Colorectal Cancer Clinical Guidelines Working Group, European Society for Medical Oncology.

Member of the Scientific Council, National Cancer Registry at the Robert Koch Institute.

Chairman of the Regional Cancer Registry of the State of North Rhine-Westphalia.

Leading expert for clinical research, German Research Foundation and Federal Ministry of Research and Technology.

Member of the Commission on the Use of Medicines for Therapy "Off-Label", Federal Institute of Medicines and Medical Devices.

Member of the committee for the development of clinical guidelines for colorectal cancer.

Member of the commission on the development of approaches to metastasis and the use of palliative therapy in clinical guidelines for colorectal cancer.

Reviewer of scientific journals such as Journal of Cancer Research and Clinical Oncology, Tumor Diagnostik und Therapie, Der Schmerz, BMC Pharmacology, Onkologie, Strahlentherapie und Onkologie, International Journal of Colorectal Disease, Annuals of Oncology, European Journal of Cancer.

Prof. Filippini began his career in 1980 and has been teaching at the University of Chieti since the 1990s in the fields of General Surgery, Microsurgery, Reconstructive Surgery, Vascular Surgery, Orthopedics, and Gynecology. His primary focus is oncological surgery, particularly specializing in "The surgical treatment of locally advanced tumors and multi-organ resections." He has enriched his expertise by visiting prominent reference centers in the United States, including the Memorial Sloan Kettering Cancer Center in Manhattan, New York City. There, he delved into minimally invasive, laparoscopic, and microsurgical techniques under the guidance of esteemed mentors such as John Daly, Michele Gagner, and Murray Brennan. Additionally, in 2005, he further expanded his skills at the City of Hope Oncology Center in Los Angeles, focusing on robotic surgery in oncology.

In 1980, Prof. Filippini graduated in Medicine and Surgery from the G. D'Annunzio University of Chieti in Italy with honors, presenting an experimental thesis on lympho-venous anastomosis using microsurgical techniques. He completed his specialization in general surgery at the University of Pisa with distinction after five years. In 1990, he obtained another specialization in Plastic and Reconstructive Surgery from the University of Padua in Italy, where he maintained a stellar academic record.

Prof. Filippini has presented at numerous national and international conferences and authored over 100 scientific publications. Additionally, he has co-authored two monographs. 

Dr. Mouhamed Mounier Alwaw is a Medical Gastroenterologist with over 12 years of experience. He specializes in biliary and pancreatic diseases, early colon cancer detection, internal bleeding control, and obesity management with gastric balloon procedures.

He earned his MBBS in Syria and completed his MD and postgraduate studies in Paris. Dr. Alwaw speaks Arabic, French, and English. He has published widely in international journals, focusing on post-ERCP complications, celiac disease, and colon cancer. His practice combines advanced techniques with a strong academic background.

Dr. Martin Claßen is a highly experienced pediatric gastroenterologist, specializing in functional disorders and inflammatory bowel disease in children and adolescents. He holds a degree in general medicine from the Heinrich-Heine-Universität Düsseldorf, a specialty in pediatrics from the University Children's Hospital of Essen and a specialty in gastroenterology in children from the Children’s Hospital at the University Hospital Frankfurt. He is a member of the European Society for Paediatric Gastroenterology Hepatology and Nutrition, the German Society of Pediatrics and Adolescent Medicine and the German Society of Ultrasound in Medicine.

Proctologist, Gastroenterologist

Dr. Muharrem Coskun is a specialist in gastroenterology. He completed postgraduate training in Internal Medicine and a Gastroenterology Fellowship at Istanbul Cerrahpaşa School of Medicine. He has worked at several respected hospitals, including Balıkesir University Education and Research Hospital, Erzurum Bölge Education and Research Hospital, Istanbul Education and Research Hospital, Private Gaziosmanpaşa Hospital, Medicalpark Göztepe Hospital, and Medicana Hospital Kadıkoy, where he currently practices.

Dr. Coskun is known for his skill in diagnosing and treating complex gastrointestinal diseases. He brings extensive clinical experience and is dedicated to achieving the best outcomes for his patients.

Gastroenterologist

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.

Dr. Julio Valle Muñoz has a degree in medicine and surgery, and is a specialist in the digestive system. Associate Physician of the Digestive System Service of the Virgen de la Salud Hospital in Toledo. In addition, he has worked for several years as an Assistant Professor of Medicine at the University Hospital of Helsinki (Finland), where he obtained the degree of Doctor of Medicine.

Dr. Natalya Shevchenko is a gastroenterologist with the highest qualification and 15 years of clinical experience. She has received 67 positive reviews from patients. Dr. Shevchenko graduated from Kharkiv National Medical University. She treats many digestive conditions, including gastritis, colitis, pancreatitis, esophageal ulcers, and peptic ulcers.

She is skilled in interpreting diagnostic studies and laboratory tests. Dr. Shevchenko creates personalized treatment plans for adult patients. She follows evidence-based medicine and always puts patients first.

Dr. Osman Krand is a general surgeon with a focus on gastrointestinal surgery. He has expertise in endoscopy, colorectal diseases, and surgery of the esophagus and stomach. He also performs procedures on the liver, pancreas, and biliary tract. Dr. Krand is known for treating abdominal tumors with surgery and hot chemotherapy.

He graduated from Istanbul University Cerrahpasa Faculty of Medicine. He completed his surgical training at Istanbul Haydarpasa Numune Hospital. Dr. Krand has served as Principal and Assistant Chair at leading hospitals in Istanbul. He has also taught as an associate professor and instructor at Yeditepe University.

Dr. Yusuf Akcan is a gastroenterologist and professor with over 30 years of experience. He specializes in advanced endoscopic procedures. Dr. Akcan works at Istanbul Oncological Hospital in Maltepe. He performs many endoscopies, colonoscopies, polypectomies, ERCP, and intragastric balloon placements.

Dr. Akcan completed his medical and specialty training at Hacettepe University. He received his gastroenterology accreditation in 1997. He has held academic positions at several Turkish universities and became a professor in 2013. His clinical skills and academic work have contributed to the field of gastroenterology.

Assoc. Prof. Dr. Ibrahim Ertugrul is a gastroenterologist with experience in ERCP, liver transplant, gastroscopy, endoscopic surgery, and liver biopsy. He treats liver and bile duct diseases. Dr. Ertugrul graduated from Istanbul University, Faculty of Medicine. He completed his training in Internal Medicine and Gastroenterology.

He became an Associate Professor in 2010. Dr. Ertugrul is a member of the Turkish Gastroenterology Association, Turkish Liver Research Association, and Gastrointestinal Endoscopy Association. He has performed over 5,000 advanced endoscopic procedures. He has also published many articles and received several accreditations in his field.