Cholelithiasis Doctors Abroad — Page 3

Dr. Cagdas Erdogan is a gastroenterologist at Ankara Etlik City Hospital. He trained in Internal Medicine and Gastroenterology. He earned his MD from Dokuz Eylul University. He completed his Internal Medicine residency from 2014 to 2019. He then completed a Gastroenterology fellowship at Ankara City Hospital from 2019 to 2022. His clinical focus includes advanced endoscopy (ERCP, EUS, EMR, ESD, POEM, EGD, colonoscopy, double-balloon enteroscopy), inflammatory bowel disease, and hepatology.

He has about 40 publications. His work appears in The Turkish Journal of Gastroenterology, Scientific Reports, Endoscopy, and Digestive Diseases and Sciences. Notable studies address vedolizumab in IBD and prophylaxis for post-ERCP pancreatitis. He also reported a 13-year Crohn’s cohort comparing infliximab and adalimumab. Additional work covers outcomes with an adalimumab biosimilar and innovative endoscopic therapies (MCA via double-balloon enteroscopy, holmium laser for Bouveret syndrome, POEM for Zenker’s diverticulum, and ESD for esophageal papillomatosis).

Professor Jong Kyun Lee is a leading specialist at Samsung Medical Center, focusing on complex biliary and gallbladder disorders.

• Specialises in gallstone management and bile duct conditions
• Trained at the prestigious Seoul National University College of Medicine
• Completed international clinical training at the University of California
• Member of the Korean Society of Gastrointestinal Endoscopy
• Expert in treating both pancreatitis and gallbladder cancers

NUTRITION AND DIET SPECIALIST 

Ezgi Sevic graduated from Hacettepe University, Department of Nutrition and Dietetic as Honor Student. During her education, she conducted studies on “'The Effect of Hedonic Eating Behavior on Obesity', 'Total Parenteral Nutrition in Children' and 'The Relationship Between Insulin Resistance and Obesity'.” During her education, she took part in the field in studies on determining the nutritional status of the society. She worked as intern dietitian in Hospitals of Hacettepe University (Oncology Hospital, Adults Hospital, İhsan Doğramacı Child Hospital), Dışkapı Yıldırım Beyazıt Training and Research Hospital and many Community Health Centres. 
She worked in Izmir Private Ekol Hospital. She successfully completed the 'Bariatric Nutrition Course' and the 'Innovations in Obesity Course'. She has participated in many training and seminar programs in her field. 

Interests: Post- Metabolic and Bariatric Surgery Nutrition, the Nutrition in Chronicle Diseases, Nutrition in Individuals with Diabetes, Nutrition in Cancer, Nutrition in Congenital Metabolic Diseases, Food Intolerances, Body Weight Control, Child and Adolescent Nutrition, Nutrition in Old Age, Nutrition in Pregnancy and Lactation.

Dietit. Ezgi Sevic knows advanced English. 

Professor Nihat Okcu is a senior gastroenterology specialist at Medipol University Pendik Hospital with significant academic standing and clinical expertise.

• Specialises in diagnostic upper gastrointestinal endoscopy to accurately identify gallbladder and biliary issues
• Senior Professor at Medipol University – one of Turkey's premier medical training institutions
• Extensive research history in gastrointestinal disorders and pancreatic-biliary health
• Expert in ultrasound-guided biopsy for precise diagnosis of intra-abdominal lesions
• Fellowship trained in gastroenterology at Karadeniz Technical University

Dr Volkan Kinas is a specialist surgeon at Büyük Anadolu Hospitals who focuses on complex bile duct and pancreatic procedures.

• Performs bile duct surgery to treat gallbladder stones and biliary pathway obstructions
• Specialises in oncological surgery for metabolic and digestive tract conditions
• Focuses on minimally invasive techniques for faster recovery and smaller surgical scars
• Manages abdominal cases at Büyük Anadolu Hospitals, a major regional surgical centre

Professor Tülin Kendir Koçak is a senior gastroenterologist at Emsey Hospital who specialises in managing complex gallstone-related biliary issues through non-surgical techniques.

• Performed thousands of endoscopic procedures at Haydarpaşa Numune Training Hospital
• Uses percutaneous drainage – a needle-based method to drain abdominal buildup without major surgery
• Expert in gastrointestinal stricture dilatation – uses balloons or bougies to open narrow passages
• Trained at Istanbul University Cerrahpasa Faculty – one of the region's elite medical institutions

Professor Ali Solmaz is a lead gastrointestinal surgeon at Erdem Hospital with high-level expertise in laparoscopic gallbladder removal. He focuses on minimally invasive surgery to reduce recovery times and post-operative discomfort.

• Maintains a seat on the Editorial Board of the Asian Journal of Research and Reports in Gastroenterology
• Member of the National Endoscopic Laparoscopic Surgery Association (ELCD)
• Trained at Marmara University – one of Turkey's premier medical institutions
• Recognised as an Associate Professor for his contributions to surgical research

The doctor has 17 years of experience in Upper GI and Weight Loss Surgeries, being among the first in India trained in Banded Bypass, Banded Sleeve Gastrectomy, and Mini Gastric Bypass in Los Angeles, USA. He performs the innovative Sleeve Gastrectomy with Duodeno-jejunal bypass, known for its effectiveness in weight loss and Type II Diabetes Mellitus resolution, especially for vegetarian patients. Trained in Italy for Robotic GI Surgery, he utilizes advanced techniques for precision and recovery.

Practicing Weight Loss and Metabolic Surgery with Minimally Invasive Techniques since 2009, only 1% of his patients experience significant morbidity, aligning with global standards. Over 90% of diabetic patients maintain a healthy lifestyle without insulin or oral medications.

The doctor handles complex bariatric cases, including Sleeve Gastrectomy, Gastric Bypass, and Revision Bariatric Surgery. He is skilled in advanced minimally invasive and robotic upper GI and Biliopancreatic surgeries, with multiple publications and international speaking engagements.

The department of bariatric surgery is certified as a center of excellence by the International Excellence Foundation.

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

Medical Interests and Activities 

Hepatic Cirrhosis and Portal Hypertension 

Hepatic Cancer 

Viral Hepatitides (Chronic Hepatitis B, C and Delta Infections) 

Alcoholic Chronic Liver Disease 

Non-Alcoholic Fatty Liver Disease 

Stomach and Duodenal Ulcer 

Gastrointestinal Hemorrhage (Ulcer and Varicose Vein Bleeding) 

Functional Digestive System Disorders (Irritable Bowel Syndrome, Functional Intestinal Obstruction and Diarrhea...) 

Inflammatory Bowel Diseases (Ulcerative Colitis, Crohn’s Disease) 

Malabsorption Syndromes (Celiac Disease and Alike) 

Gastrointestinal Tract Malignancies

Education and Experience 

Liv Hospital, Ulus, Gastroenterohepatology Department (2013 ...) 

Associate Professor of Medicine, Obligatory Service at Gastroenterology, Şanlıurfa Training and Research Hospital (2010 - 2012) 

Subspecialty in Gastroenterohepatology, Department of Gastroenterohepatology, İstanbul Faculty of Medicine, İstanbul University (2004 - 2010) 

Research Fellow, Physician, Department of Internal Diseases, 

İstanbul Faculty of Medicine, İstanbul University (1992 - 1998)

Memberships 

Turkish Association For The Study of The Liver 

Turkish Society of Gastroenterology 

Inflammatory Bowel Disease Society 

Internal Diseases Specialty Association

Associate Professor Oguzhan Ozturk is an award-winning gastroenterologist at Biruni University Hospital. He served as the Administrative Responsible for the Gastroenterology Clinic at Umraniye Training and Research Hospital.

• Specialises in endoscopic procedures to manage gallstones and bile duct blockages
• Recipient of multiple national awards for research from the Turkish Society of Gastroenterology
• Member of the Gastrointestinal Endoscopy Society and the Turkish Association of Liver Research
• Trained at Medeniyet University in gastroenterology and internal medicine