Best MRI of the abdominal cavity gastroenterologists: TOP 124 doctors

One of the best cancer specialists in Europe, educator, and cancer researcher, President of the Central European Cooperative Oncology Group (CECOG).
Has published over 600 scientific papers on cancer treatment.

Professor Dr. Peter Heering is a specialist in nephrology, internal medicine, and hypertension. He has led the Clinic for Nephrology and General Medicine at the Academic Hospital Solingen for over 20 years. Dr. Heering oversees advanced diagnostics and treatment for kidney diseases, high blood pressure, and systemic vasculitis. He has achieved excellent results in treating both acute and chronic kidney failure.

Dr. Heering is a member of leading medical societies, including the American and European Societies of Nephrology. He also serves as a board member and president in several German and international organizations. Focus magazine has recognized his work. He has published many scientific papers and is respected worldwide for his expertise in nephrology and internal medicine.

Prof. Dr. Sezer Sağlam is a medical oncologist at Gayrettepe Florence Nightingale Hospital. He specializes in gastrointestinal and breast cancers. He has contributed to cancer care through research, especially with his study on the best timing for surgery after neoadjuvant therapy in rectal cancer. This work has influenced global treatment protocols.

Dr. Sağlam has led clinical trials in targeted therapies and precision medicine. His research on liver-transplanted patients with hepatocellular carcinoma was nominated for the 2024 International Best Researcher Award. He is a member of ASCO, ESMO, and ENET. Dr. Sağlam provides personalized and evidence-based oncology care.

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

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

Membership in societies:

Expert of scientific journals 

Close co-operation with leading surgeons

Membership of the German Medical Association 

Specialities:

Introduction of new and modern techniques in the field of oncological surgery
General and visceral surgery

Minimally invasive surgery

Gastrointestinal oncology surgery

Oncological surgery

Haemorrhoids treatment

Additional clinical specialisation in minimally invasive and hernia surgery

Surgery and transplantation of the pancreas

Work Experience:

2005: Specialist in the field of surgery

2008: Appointed Senior Consultant specialising in pancreatic surgery and transplantation

2010: Coordinator of the Pancreatic Cancer Centre (Oncocert)

2013: Specialist in visceral surgery

2014: Managing Senior Physician, additional clinical specialisation in minimally invasive and hernia surgery

2019: Chief Surgeon of the Colorectal Cancer Centre Bochum (the first certified colorectal cancer centre in Germany and one of the first certified leading colorectal centres in Europe)

2021: Chief Surgeon of the Department of Surgery at the Academic Hospital Solingen

Thanks to the professor and his team, the department has been modernised by introducing modern surgical methods of treatment and especially improved methods of post-operative recovery. The Department of Surgery at the Solingen Clinic is now further expanding its focus on minimally invasive surgery in the direction of robotics. The clinic has allocated a huge budget for the purchase of state-of-the-art equipment in order to offer patients a full range of surgical methods for the treatment of benign and malignant diseases of the oesophagus, lungs, stomach, liver, pancreas and intestines according to current guidelines and using the most modern technical equipment.

Professor Schenker is an active researcher and lecturer. He lectures at medical universities and organises seminars and workshops for colleagues. He cooperates closely with the Cancer Centre, the Pancreatic Cancer Treatment Centre, the Intestinal Cancer Treatment Centre and the Interregional Trauma Centre.

5. Academic Appointments:

Appointed as Faculty Member: 28.03.2022

Associate Professorship: ---

Full Professorship: ---

6. Supervised Theses:

Master's Theses: None listed

Doctoral Theses: None listed

7. Publications:

7.1. Articles Published in International Peer-Reviewed Journals (SCI, SSCI, Arts & Humanities):

"Urodynamic Curve Patterns May Predict Female Bladder Outlet Obstruction and Detrusor Underactivity." Urology, 2022. (Co-authored)

"Are Elevated Mitochondrial DNA Fragments in Prostatic Inflammation a Potential Biomarker for Prostate Cancer?" Archivio Italiano di Urologia e Andrologia, 2023. (Co-authored)

7.2. Articles Published in Other International Peer-Reviewed Journals:

"A Case Report of Pediatric High-Flow Priapism: The Management of a Rare Condition." European Journal of Medical Case Reports, 2021.

"Unusual Presentation of Classical Kaposi Sarcoma: Penile Involvement in an HIV Seronegative Patient." European Journal of Medical Case Reports, 2023.

7.3. Papers Presented at International Scientific Meetings:

Multiple presentations at international urology congresses. (Details available upon request.)

7.4. International Book Chapters:

Aferin U. "Approach to Muscle Invasive Bladder Cancer," in Current Perspective in Urooncology, Akademiyen Kitabevi, 2022. ISBN: 978-625-8259-52-0, p.147

7.5. Articles Published in National Peer-Reviewed Journals:

"Massive Inguinoscrotal Bladder Hernia and Bladder Tumor: A Very Rare Case." J Urol Surg, 2018.

"Testicular Torsion: Experience in a Tertiary Urology Referral Centre." Journal of Urological Surgery, 2021.

"Association Between Prostate Biopsy Results and Serum Vitamin D Levels." Bulletin of Urooncology, 2021.

"Surgical Treatment in Localized Prostate Cancer." Cancer Agenda Journal, 2022.

7.6. Papers Presented at National Scientific Meetings (with Proceedings):

Participated and presented in multiple national urological congresses on topics including penile plication, robotic nephrectomy, and pediatric urological conditions. (Full list available upon request.)

Assoc. Prof. Dr. Ayşe Sinangil is a nephrologist with expertise in kidney failure. She has authored 30 international publications. She has also presented at 19 international scientific meetings.

Dr. Sinangil graduated from Istanbul University Cerrahpaşa Faculty of Medicine. She completed her specialization at Okmeydanı Training and Research Hospital in 2004. In 2012, she finished a minor specialization at Istanbul Şişli Etfal Training and Research Hospital. She is a member of the Turkish Society of Nephrology, ERA, and EDTA. Dr. Sinangil is dedicated to ongoing professional development in nephrology.

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

Education and Expertise

Selcuk University Meram Faculty of Medicine - Medical Education

Dr.Abdurrahman Yurtaslan Anakara Oncology Training and Research Hospital Medical Oncology Specialization

Experience

Malatya State Hospital Internal Diseases Clinic

Ankara Oncology Hospital Medical Oncology Clinic

Erzurum Regional Training and Research Hospital Medical Oncology Clinic


AREAS OF INTEREST

Lung cancer

esophageal cancer

Gastric cancer

breast cancer

Gastrointestinal surgery

https://scholar.google.com.tr/citations?user=EDuylhoAAAAJ&hl=tr 

Dr. Specialist Surgeon Rafail Ibayev is an expert in advanced gastrointestinal surgery. He specializes in both laparoscopic and open procedures for diseases of the stomach, intestine, and rectum. Dr. Ibayev is a recognized leader in obesity and metabolic surgery. He has extensive experience in sleeve gastrectomy, gastric bypass, and gastric balloon procedures. His patients achieve high success rates in weight management and metabolic health.

Dr. Ibayev is known for his work in minimally invasive surgery. He performs a wide range of laparoscopic operations that help patients recover faster and with less scarring. He is also skilled in endocrine and breast surgery, including advanced oncoplastic techniques for both benign and malignant conditions. As a gastrointestinal cancer specialist, he performs complex surgeries for liver, stomach, and colorectal tumors. He provides modern and effective oncological care.

Dr. Ibayev is highly trained in anti-reflux surgery, treatment of digestive disorders, endoscopic procedures, hernia repair, splenectomy, and proctologic surgeries. He is committed to patient-centered care and long-term health outcomes.

Education and Specialization

• 2006: Kocaeli University Faculty of Medicine
• 2014: Akdeniz University Faculty of Medicine, Internal Medicine
• 2018: Akdeniz University Faculty of Medicine, Medical Oncology

Experience

• 2006 - 2008: Konya Derebucak District Hospital
• 2009 - 2015: Akdeniz University Hospital
• 2015: Antalya Kaş State Hospital
• 2015 - 2016: İnönü University Faculty of Medicine
• 2016 - 2021: Akdeniz University Hospital
• 2021 - 2023: Antalya Training and Research Hospital

Education

Doctor: Kilis Merkez No. 1 Health Center, 2006-2008
Assistant Doctor: Mersin University Faculty of Medicine, 2009-2013
Specialist Doctor: Bingöl Genç State Hospital, 2013-2014
Minor Assistant: Akdeniz University Faculty of Medicine, 2014-2017
Minor Specialist: Erzurum Regional Training and Research Hospital, 2017-2018
Subspecialist: Gaziosmanpaşa Training and Research Hospital, 2018-2020
Attending Specialist: Başakşehir Çam and Sakura City Hospital, 2020-2022
Associate Professor: Başakşehir Çam and Sakura City Hospital, 2023
Associate Professor: Istinye University Medicalpark Gaziosmanpaşa Hospital, 2023-2024

Scientific Memberships

Turkish Pediatric Society
Turkish Society for Pediatric Gastroenterology Hepatology and Nutrition
ESPGHAN - European Society for Pediatric Gastroenterology Hepatology and Nutrition.

Medical Intrests

• 
  -Irritable (Restless) Bowel Syndrome
• -Food allergies associated with the digestive system
• -Constipation, faecal incontinence
• -Acute and chronic diarrhoea, malabsorption
• -Chronic abdominal pain
• -Gastroesophageal reflux disease
• -Celiac disease
• -Ulcerative colitis, Crohn's disease
• -Treatment before and after liver transplantation
• -Acute and chronic pancreatitis

Education and Specialization

• Bachelor’s Degree in Medicine (English) – Hacettepe University, 1997
• Master’s Degree – Department of Internal Medicine, Akdeniz University, 2004
• Ph.D. / Proficiency / Medical Specialization – Division of Gastroenterology, Akdeniz University, 2007

Experience

• Akdeniz University Faculty of Medicine 1998/2004
• Akdeniz University Faculty of Medicine  2004/2007
• Urfa Training and Research Hospital 2008/2009
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology  2010/2011
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2011/2013
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2013/2017
• Medical Park Antalya Hospital, Gastroenterology Department and Organ Transplant Center

Education

Ankara Training and Research Hospital, Urology Residency, 1992-1997, Ankara/Turkey

Uludağ University Faculty of Medicine, Doctor of Medicine Education, 1982-1988, Bursa/Turkey

Experience

Taksim Training and Research Hospital, 2009-2016, Istanbul/Turkey

Bağcılar Training and Research Hospital, 2007-2009, Istanbul/Turkey

Ankara Training and Research Hospital, 2000-2007, Ankara/Turkey

Bergama State Hospital, 1997-2000, Izmir/Turkey

Ankara Training and Research Hospital, 1992-1997, Ankara/Turkey

Scientific Memberships

• Turkish Urology Association
•  
• European Association of Urology
•  
• Turkish Urological Association North Marmara
•  
• American Urological Association

Dr. Hilmi Apak is a respected pediatric hematology-oncology specialist with more than 21 years of experience. He is trained in pediatric oncology. Dr. Apak has led advanced treatments, including bone marrow transplantation, leukemia chemotherapy, and CAR T-cell therapy.

He has published 75 international medical articles, showing his strong contribution to pediatric oncology research. Dr. Apak has worked as assistant editor for the Turkish Pediatrics Archives Periodical. He has also held important academic and leadership positions, such as Head of Pediatric Hematology-Oncology at Istanbul University-Cerrahpaşa.

Education

Istanbul University Cerrahpaşa Faculty of Medicine, 2002
Istanbul Fatih Sultan Mehmet Training and Research Hospital, Internal Medicine, 2010
Istanbul University Oncology Institute (Çapa), Medical Oncology, 2015
Medipol University Faculty of Medicine, Phytotherapy Education, 2018
University of Health Sciences, Vocational School of Health, Molecular Oncology, PhD Program, PhD, 2023

Experience

University Hospital, Newark, New Jersey, USA, Observer (2003-2004)
Siirt State Hospital, Internal Medicine (2010-2011)
Siirt State Hospital, Medical Oncology (2015)
Bakırköy Dr. Sadi Konuk Training and Research Hospital, Medical Oncology (2015-2018)
Istanbul University, Istanbul Faculty of Medicine, Department of Internal Medicine, Medical Oncology, (Professor Doctor) (2018-Present)
Forensic Medicine 3. Specialization Board, Medical Oncology, Full Member (2019-Present)
Liv Hospital, Ulus, Park-time, Medical Oncology (2020-2022)
Şişli Kolan International Hospital, Park-time, Medical Oncology (2022-2023)

Medical Intrests

• Gastrointestinal System Tumours (Esophagus - Stomach and Large Bowel Cancer)
• Hepatobiliary System Tumours (Liver-Biliary Tract and Pancreatic Cancer)
• Breast Cancer
• Lung Cancer
• Genitourinary Cancers
• Immunotherapies and Target Therapies
• Molecular Oncology
• Immunotherapies
• Target Treatments
•  

Awards

2010-YDUS (Subspecialty Examination) 14th place in Turkey
2014- Oncology Institute Days Best Poster Award
2015- Turkish Medical Oncology Society Board Exam Qualification
2015- ESMO (European Society for Medical Oncology) Board Exam Qualification

With a Degree in Medicine and Surgery obtained at the Universidad Complutense in Madrid, he completed his studies in Nephrology as a Resident Doctor at the Clínico Universitario

San Carlos Hospital in Madrid where he completed his studies with Doctorate courses in Endocrinology.

Throughout his trajectory, Dr Marañés has carried out extensive work relating to his subject of interest, i.e., renal diseases associated to diabetic patients, and has taken part in the pancreatic islets transplant programme of patients with renal transplants. He is the author of numerous national and international medical-scientific publications.

Professional Experience:

• 2006 – Currently: Head of the Nephrology and Haemodialysis Unit of the Quirónsalud Marbella Hospital.

• 1996 – 2006: Medical Consultant of the Nephrology and Haemodialysis Unit of the Costa del Sol de Marbella Hospital from December 1996 to June 2006.

• 2004 – 2006: President of the Commission of Pharmacists and Therapists from 2004 to 2006.

• 1996: Nephrology Unit of the Getafe University Hospital.

• 1995-1996: Medical Consultant of the Nephrology Unit of the Virgen de la Luz Hospital in Cuenca.

• 1995 – 1996: Head of the Madrid-Oeste Dialysis Centre ascribed to the San Carlos University Hospital.

Research

• FIS Research Project (record: 93/0029-02) on the «Study of the effects of human pancreatic islets in Type I Diabetes patients".

• MAR Project, Morbidity and Mortality Anaemia Renal studies. Descriptive, prospective, multicentred and open study on case series. 2003-2004

• Nefrona Project: Observational, prospective and multicentred study on cardiovascular morbidity and mortality in patients at different stages of chronic renal disease.

• Department of Pathology. University of Edinburgh. United Kingdom, 1987.

The Nephrology and Hypertension Unit deals with non-surgical kidney diseases and with blood pressure. The professionals of the Nephrology Unit of Quirónsalud Marbella Hospital have vast experience in this speciality which, together with the latest drug technologies and equipment, helps them prevent and correct potential system unbalance and provide better recovery to patients. Due to the close connection between kidney conditions and the function of other vital organs, the specialists of the Nephrology team apply a multidisciplinary approach and work with the Cardiology, Endocrinology, Digestive System and Urology Units, amongst others.

Quirónsalud Marbella Hospital is the only private establishment in the area to be equipped with a Dialysis Unit provided with 20 stations in a facility situated in an adjacent building as an independent healthcare circuit. Due to our background in providing services to international patients, this Haemodialysis Unit has a team of interpreters for overseas patients providing various languages that guarantee a personalised service regardless of the country of origin.