ページ3 - トルコで最高の消化器内科医師 - トップ99名の医師

Dr. Seymur Aslanov is a specialist in internal medicine and gastroenterology. He received advanced training at Ege University Faculty of Medicine Hospital. Dr. Aslanov diagnoses and treats many gastrointestinal diseases. His expertise includes inflammatory bowel diseases, digestive system cancers, liver and pancreatic diseases, and gastrointestinal bleeding.

He is skilled in advanced endoscopic procedures. These include ERCP, colonoscopy, endoscopic polypectomy, and stenting for gastrointestinal stenosis. Dr. Aslanov has worked as a research assistant and subspecialist at Ege University. He has also served as an internal medicine specialist at Izmir Medical Point.

He is a member of the Izmir Medical Chamber.

Education & Expertise

1995 to 2001 | Ege University Faculty of Medicine – Medical Education

2001 to 2006 | Dokuz Eylül University Faculty of Medicine – Internal Medicine Specialization

2008 to 2011 | Göztepe Training and Research Hospital – Gastroenterology Subspecialty

2014 | Ümraniye Training and Research Hospital – Associate Professor of Gastroenterology

2021 | University of Health Sciences – Professor

Professional Experience

2007 | Nusaybin State Hospital – Internal Medicine Specialist (Civil Service Obligation)

2011 to 2014 | Ümraniye Training and Research Hospital – Gastroenterology Specialist

2014 to 2017 | Ümraniye Training and Research Hospital – Associate Professor of Gastroenterology

2017 to 2021 | Health Sciences University – Associate Professor of Gastroenterology

2015 to 2021 | Ümraniye Training and Research Hospital Gastroenterology Clinic – Clinic Chief

2021 to 2022 | University of Health Sciences – Professor of Internal Medicine and Gastroenterology

2015 to 2022 | Genomic Laboratory (GLAB) Coordinator, Istanbul Provincial Health Directorate

2014 to 2021 | Northern Clinics of Istanbul Journal (indexed in WoS and PubMed) – Founding Editor

2021 to Present | Turkish Liver Research Association – Board Member

2022 to Present | Hepatology Bulletin Journal – Editor

2019 to Present | Hepatology Forum Magazine – Editor

2016 to Present | World Journal of Hepatology – Editor

International Experience

1999 | Trainee Doctor, Regional Infectious Diseases Unit, Western General Hospital, Edinburgh, UK

2000 | Trainee Doctor, Cardiology Unit, North Manchester General Hospital, Manchester, UK

2005 | Assistant Doctor, Regional Infectious Diseases Unit, Western General Hospital, Edinburgh, UK

Professional Memberships

Turkish Gastroenterology Association

Turkish Liver Research Association

EASL – European Association for the Study of Liver

APASL – Asian Pacific Association for the Study of Liver

AAAS – American Association for the Advancement of Science

Awards & Recognitions

2013 | Liver Fibrosis Pathways in Chronic Hepatitis B: A Comparative Proteomic Study – Gilead Fellowship Award

2014 | Liver Fibrosis Pathways in Chronic Hepatitis B: A Comparative Proteomic Study – Viral Hepatitis Fight Association Project Support Award

2014 | The Relationship between Spontaneous Seroconversion and Toll-Like Receptor Gene Polymorphism in Hepatitis B Infection – Turkish Gastroenterology Association, Best Poster Second Prize

2015 | Research on Damage Pathways in Liver Tissue in Chronic Hepatitis B: A Comparative Proteomic Study – Turkish Gastroenterology Association, Best Oral Presentation Third Prize

2016 | Investigations of the EGF and Its Receptor EGFR Gene Variants in Ulcerative Colitis – XV Euroasian Congress of Gastroenterology and Surgery, Best Oral Presentation Third Prize

Assoc. Prof. Dr. Özlem Köroğlu is a specialist in Physical Medicine and Rehabilitation at Memorial Ankara Hospital (2024–present). She previously served as a faculty member at Gaziler Physical Therapy and Rehabilitation Training and Research Hospital (2016–2024). She was Chief of the Physical Medicine and Rehabilitation Clinic at Elazığ Military Hospital (2011–2015). She earned her MD in 2003 from the GATA Faculty of Medicine. She completed her PM&R residency in 2011.

Her credentials include Ministry of Health–approved certified prolotherapy training. She has taught Prolotherapy and PRP (2022) and Knee Prolotherapy and Campinject (2019). She also taught GETAT and Dextrose Prolotherapy (2018) and ISPRM Ultrasound (2009). She has additional training in musculoskeletal ultrasound, neural therapy, lumbar injections and manipulation, and botulinum toxin treatment for the spastic hand. She attended the Euro‑Mediterranean PRM School in Italy (2010). She is a member of the Turkish Society of PM&R, the Turkish Society for Research and Fight Against Rheumatism, the Association of PM&R Specialists of Türkiye, the Spinal Cord Diseases Association, and the Ankara Medical Chamber.

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

Education and Expertise

• 1979 - DR - ANKARA UNIVERSITY FACULTY OF MEDICINE
• 1984 - SPECIALIST DR. - EGE UNIVERSITY FACULTY OF MEDICINE INTERNAL DISEASES
• 1992 - SUB-BRANCH SPECIALIST DR. - EGE UNIVERSITY FACULTY OF MEDICINE GASTROENTEROLOGY CLINIC
• 1994 - ASSOC. PROFESSOR - EGE UNIVERSITY
• 2000 - PROFESSOR DR. - EGE UNIVERSITY

Diseases

• Inflammatory Bowel Diseases (Ulcerative Colitis, Crohn's Disease)
• Large Intestine Diseases
• Liver Diseases
• Liver Inflammation
• Liver Cancer
• Fatty Liver
• Stomach Diseases
• Pancreatitis
• Pancreas Cancer
• Digestive System Diseases
• Digestive system cancer
• Cirrhosis
• Diseases of the Esophagus

Treatment Methods

• Balloon Stent Applications in Achalasia
• Spark Plug Applications
• ERCP
• Endoscopic Treatments for Digestive System Canal Strictures
• Endoscopic Treatment of Digestive System Polyps
• Stent 

Gastroenterology

Pendik Medipol University Hospital

Education

1999 Karadeniz Technical University, Gastroenterology

1997 Atatürk University, Internal Diseases Professorship

1992 Atatürk University, Internal Diseases Associated Professorship

1985 Atatürk University, Internal Diseases Specialist

1981 Atatürk University Faculty of Medicine

Publications

1- Nihat Okçu Gülçin Polat, Arif Yılmaz, Mehmet Koruk, The demographic features of gastric cancers in Erzurum(Eurasian J Med 2000; 32: 63-65)

2- An Evaluation of Upper Gastrointestinal Bleeding Cases. Clinical Sciences-Doctor.2000, - E.akarsu,N.Okçu,et Ark.Northeast Anatolia 6:4:435-438

3-N.Okçu, A.yılmaz. İ.kiki,MDonuk, C.gündoğdu, H.uzunismail. Our Diagnostic Upper Gastrointestinal Endoscopy Results. Atatürk University Medical Journal 1997,29 (2):486

4-N. Okçu, M.gündoğdu, MD onuk, İ.kiki, l.cerrahoğlu, k.yılmaz, I. çapoğlu. The Role of Misoprostol in Preventing Gastroduodenal Lesions in Patients Using Nonsteroidal Anti-Inflammatory Drugs (NSAIDs). Atatürk University Medical Journal 1997,29 (2):453-455.

5-N.Okçu, A. Öz, MD Onuk, E.Akarsu, B. Tekin, Hz Tonbul, H.Kaya. Plasma Fibronectin Levels in Chronic Active Hepatitis and Decoction of Liver Parenchymal Insufficiency and Their Relationship with Liver Functional Status. Turkish J. Gastroenterol 1995;27(4): 422-426.

6-N.Okçu, Tahir Buran, MD Onuk, A. Yılmaz, E.Akarsu, G. Akçay. Prevalence of Helicobacter Pylori in Patients with Duodenal Ulcer in Erzurum and Surrounding Area. Turkish J. Gastroenterol 1995;27(4): 447-450.

7-N.Okçu, bs awake, e. akarsu, e. bakan, z. tonbul. Importance of Carbohydrate Antigens (CA-19-9, CA-125), Carcinoembryonic Antigen (CEA) and Alkaline Phosphatase in Gastric and Colorectal Cancers. Turkish J. Gastroenterol 1995;6:467-471.

8-N. Okçu, MD Onuk, E. Akarsu, H. Doğan, C. Gündoğdu. Major Risk Factors in Patients with Hepatocellular Carcinoma in Our Region. Gastroenterology 1994;5(2):154-157

9-N.Okçu, md. Onuk, e. akarsu, h. doğan, c.gündoğdu, tahir buran. Frequency of gastric carcinoma in Erzurum region, endoscopic and histological features. Gastroenterology 1994;5(2):263-267.

10-N. Okçu, MD Onuk, Tahir Buran, E. Akarsu, MA Çiftçioğlu. Frequency of Helicobacter Pylori in Nonspecific Gastritis Cases in Erzurum Province. Gastroenterology 1994;5(2):211-213.

11-N.Okçu, MD Onuk, Ö. Ünal, E. Akarsu, L. İncesu, K. Akgöz. Diagnostic Value of Ultrasound-Guided Fine Needle Aspiration Biopsy in Intra-Abdominal Mass Lesions. Gastroenterology 1993;4(1):166-68.

12-NOkçu, md. onuk, m. polat, a. yılmaz, m. gündoğdu, m. paç. Budd-Chiari Syndrome (2 Cases). Turkish J Gastroenterhepatol 1993; 4(1):77-80.

13-N.Okçu, H. Koçak, MD Onuk, M. Gündoğdu, E. Bakan, A. Yılmaz, A. Başoğlu, A. Ateş, F.A. Paç. The Effect of Atrial Pressure Changes and Cardiac Nerves on Plasma Atrial Natriuretic Peptide (ANP) Levels. Vascular Surgery 1993; 27(2): 128-132

15-N.Okçu, MD Onuk, A.Yılmaz, M. Gündoğdu, T. Buran. Effects of Omeprozole and Ranitidine on Peptic Ulcer Healing. Doğa-Tr.J. of Medical Sciences 1992;16:657-658.

16-N. Okçu, Mr. Yiğitoğlu, B. Adam, E. Bakan. The Effect of Digixin on Plasma Atrial Natriuretic Peptic Level in Patients with Congestive Heart Failure. S.Ü. Medical Faculty Journal 1991;7(2):243-247..

17-N.Okçu, A. Yılmaz. The Effect of Histamine H2 -Receptor Antagonists in Upper Gastrointestinal System Bleeding. Endoscopy Journal 1991;2(4):17-23.

18-N.Okçu, E. Bakan, B. Adam, A. Yılmaz, Mr. Yiğitoğlu. Sex Hormones and Sex Hormone Binding Globulin Levels in Patients with Chronic Hepatitis and Liver Cirrhosis (Letter to the Editor). Nature-Tr. J. Of Medical Sciences 1991;15:1-2.

19-N.Okcu Ömer Yılmaz.Helıcobacter pylori and related gastrointestinal system diseases. Turkish Clinics JMed Sci. 2013;33(3):806-13

20-Nihat Okçu, Ömer Yılmaz, Hakan Dursun, Gülçin Polat. The relationship between dyspeptic symptoms, nutritional habits, endoscopic and histological findings (Eurasian J Med 2006; 38: 13-17)

21-Mehmet Bilici,1Nihat Okcu,1Kerim Cayir,1Ibrahim Pirim,2Salim B. Tekin,1andCemal Gundogdu3 - Distribution of HLA Tissue Groups in Patients with Gastric Cancer Eurasian J Med. 2010 Apr; 42(1): 9.11.

22-Nihat Okcu,Abdulhalim Bak,Mehmet Sari,Mehmet Arslan,Sait Kapicioglu:The fibroblast proliferation, relationship of hepatocyte growth factor (HGF) and interferon-A2A Gastroenterology April 2000Volume 118,Issue 4, Part 2, PageA1404

23-Kubra Kaynar,Sait Kapicioglu,Mehmet Sari,Nihat Okcu,Abdulhalim Baki. The effect of fish oil on stress ulcer prophylaxis GastroenterologyVolume 118, Issue 4, Part 2, PageA1255

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. 

Dr. Mustafa Emiroglu is a general surgery specialist at Memorial Bodrum Hospital. He has significant experience from his work at Sağlık Bilimleri University Tepecik SUAM (2016–2023) and Kırşehir Hospital (1997–1999).

He earned his medical degree from Istanbul University Cerrahpaşa Faculty of Medicine. He completed his specialization at Tepecik Training and Research Hospital. Dr. Emiroglu is a member of the Turkish Society of Surgery, the Endocrine Surgery Association, and the Colorectal Surgery Association.

He has attended advanced courses, including the Europe Senology Academia. He has also received training in proctologic, hemorrhoidal, and oncoplastic breast surgery, as well as thyroid diseases.

Dr. Ozlem Saygili Yonem is a gastroenterology specialist at Memorial Bodrum Hospital. She previously worked at Sivas Medicana Hospital. From 2007 to 2023, she was a faculty member in the Department of Gastroenterology at Sivas Cumhuriyet University.

Dr. Saygili Yonem completed her gastroenterology subspecialty training at Hacettepe University. She also holds a specialization in internal medicine from Sivas Cumhuriyet University. She is a member of the Turkish Society of Gastroenterology, the Gastrointestinal Endoscopy Society, and the Inflammatory Bowel Disease Association.

She has advanced training in endoscopic ultrasonography, motility studies, and hepatology. She also gained international experience at Johns Hopkins University with a scholarship from the Turkish Society of Gastroenterology.

Dr. Tülin Kendir Koçak is a board-certified gastroenterologist and internal medicine specialist. She has over 25 years of clinical experience. Dr. Koçak is skilled in advanced endoscopic procedures such as esophagogastroduodenoscopy, colonoscopy, chromoendoscopy, and flexible rectosigmoidoscopy. She has performed many specialized interventions, including esophageal variceal band ligation, achalasia balloon dilatation, polypectomy, foreign body removal, and percutaneous endoscopic gastrostomy (PEG).

Dr. Koçak graduated from Istanbul University Cerrahpasa Faculty of Medicine. She completed her advanced training at leading hospitals in Turkey. She has held important roles in both public and private healthcare institutions. Dr. Koçak’s extensive hands-on experience makes her a respected expert in gastroenterology.

Dr. Ozden Gul is a general surgeon trained at Istanbul University Cerrahpaşa Faculty of Medicine. She completed her general surgery residency at Haydarpaşa Numune Training and Research Hospital. She has decades of surgical experience and is fluent in English.

Her practice includes gastrointestinal surgery (gallbladder disease, hernias, appendicitis, GI disorders). She also treats endocrine conditions (thyroid, parathyroid, adrenal) and breast disease, both benign and malignant. She manages emergency and trauma cases. She offers minimally invasive laparoscopic surgery.

She has worked at Haydarpaşa Numune, Bakırköy, Taksim First Aid, Uzunköprü State, Keşan State, Beykoz Medical Center, and Medivia Hospital. She is known for meticulous technique and patient-centered care.

准教授アリ・ソルマズ博士は、20年以上の経験を持つ一般外科および肥満外科専門医です。一般外科、代謝外科、肥満外科を専門としています。トルコ有数の高等教育機関であるマルマラ大学にて医学教育および外科研修を修了しました。准教授の称号はバージュラル教育研究病院にて取得しました。

ソルマズ博士は、チャムルジャ・エルデム病院およびバージュラル教育研究病院をはじめとする複数の医療機関において、数千件の手術を執刀してきました。腹腔鏡手術および低侵襲外科の分野において高い技術を有しており、患者の早期回復と良好な治療成績に貢献しています。

積極的に学術研究活動に従事しており、複数の学術誌の編集委員会に参加しています。IFSO（国際肥満・代謝外科連盟）、トルコ外科学会、および肥満代謝外科学会を含む専門職業団体の会員です。

Education

• Hacettepe University Faculty of Medicine / 2003
• Şişli Etfal Training and Research Hospital / 2009
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Experience

• 2023 - Presently Güneşli Erdem Hospital
• 2021 - 2023 Şişli Etfal Training and Research Hospital
• 2019 - 2021 Bağcılar Training and Research Hospital
• 2017 - 2019 Private Surp Pırgiç Armenian Hospital
• 2011 - 2017 Private Camlica Erdem Hospital
• 2010 - 2011 Göle State Hospital
• 2009 - 2010 Edremit Military Hospital
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Professional Memberships

TTB-Istanbul Medical Chamber

Turkish Surgery Association

Turkish Colon and Rectum Surgery Association

Turkish Hepato-Pancreato-Biliary Surgery Association

Procedures Performed

• Laparoscopic gastric cancer, colon cancer and rectal cancer operations
• Laparoscopic anti-reflux surgery
• Laparoscopic appendectomy (appendicitis)
• Laparoscopic cholecystectomy (gallbladder)
• Endocrine Surgery
• Gastroenterology Surgery
• Tube Stomach Surgery
• Gastric Bypass
• Gastric Balloon
• Swallowable Gastric Balloon
• hemorrhoid disease
• Anal fissure-fistula disease
• inguinal hernia
• incisional hernia
• umbilical hernia
• anal abscess
• hair transplant surgery

Dr. Eda Tereh Akay is a general surgeon. She completed specialty training in general surgery and provides patient-centered care with modern techniques.

Her expertise includes gastrointestinal surgery (gallbladder, hernias, appendicitis, gastrointestinal tract disorders), endocrine surgery (thyroid, parathyroid, adrenal), breast surgery (benign and malignant), minimally invasive laparoscopic procedures, and emergency and trauma surgery. She is known for precise surgical skills and a strong focus on patient safety.

Dr. Osman Aktas has been serving as a general surgeon at Ataşehir Avicenna Hospital since 2005. Born in Kayseri in 1960, he graduated with his medical degree from Ankara University in 1983. Following his graduation, he fulfilled his military service in medical units for two years. He completed his general surgery residency at GATA from 1986 to 1990. After specializing in general surgery, He held key positions as head of general surgery departments and chief physician in several prominent military hospitals, including Tatvan, Diyarbakır, Ankara, and Manisa.

Dr. Osman has had a special focus on endoscopic surgery since 1995. He received advanced training in laparoscopic surgery techniques in Germany and has successfully performed a wide range of laparoscopic procedures. His expertise extends to gallbladder surgery, abdominal wall and inguinal hernia repairs, appendicitis, reflux and stomach surgeries, as well as complex cases such as gastrointestinal tumors, intestinal obstructions, and various other intestinal diseases, all managed through minimally invasive methods.

In 2002, Dr. Osman transitioned to the private sector, where he broadened his practice to include modern treatments for anal diseases like hemorrhoids, fistulas, and fissures, utilizing advanced techniques such as laser therapy.

Dr. Osman is also recognized for his significant contributions to oncological surgery. He has a wealth of experience in the surgical treatment of various cancers, including breast and thyroid cancer, where he has implemented new treatment methods that reduce the risk of complications. His surgical expertise spans critical cancer surgeries, such as the Whipple procedure for pancreatic cancer, colorectal cancer resections, gastric cancer, and other complex malignancies. Additionally, his skills in metabolic surgery have led to lasting outcomes for patients suffering from obesity and diabetes, ensuring a better quality of life through sustained weight loss and reduced risk of diabetes.

With his vast experience and advanced skills in both laparoscopic and cancer surgeries, Dr. Osman remains at the forefront of surgical excellence, offering innovative and comprehensive care to all his patients.

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.

Choosing a gastric balloon can be a life-changing step toward healthier, more confident you. This minimally invasive procedure offers a safe, reversible way to jump-start weight loss by reducing appetite and helping you to feel full with smaller portions — perfect if you’ve struggled with diets alone. Many patients notice visible results within weeks when the balloon is combined with a tailored diet plan and regular follow-up care from experienced medical staff. Beyond shedding kilos, patients report improved energy, better sleep, and greater motivation to adopt lasting healthy habits. Our multidisciplinary team provides clear guidance, nutritional coaching, and emotional support so you’re never doing this alone. If you want a realistic, medically supervised option that empowers you to make sustainable changes and regain control over your health, the gastric balloon is a proven, patient-friendly choice worth discussing with your doctor.