Gastroenterology
Pendik Medipol University Hospital
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
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
Read moreMembership 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.
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2011 – 2015, (Internal Medicine Specialist) Istanbul University Istanbul School of Education and Career
Medicine Department of Internal Medicine
2015 – 2016, (Internal Medicine) Specialist Istanbul Haydarpasa Numune Training and Research Hospital
2016 – 2019, (Medical Oncology) Istanbul University Istanbul School of Medicine Department of Medical Oncology
2019 – 2021, (Medical Oncology Specialist) - Istanbul Haydarpasa Numune Training and Research Hospital
2021 – 2024, (Associate Professor) Marmara University School of Medicine Department of Medical Oncology
Memberships in Scientific Organizations
ASCO
ESMO
TTOD
AVOD
Publications
In the field of oncology, he has published over 30 peer-reviewed articles at both international and national levels.
Awards Received
EAACI The European Academy of Allergy and Clinical Immunology 2019 Best Poster Award
"The top 3rd verbal presentation, IGICC (11th International Gastrointestinal Cancers Conference – IGICC2021)"
Speeches Delivered at National Congresses, Conferences, and Symposia:
Courses, Meetings, and Certificates
ESMO certified Medical Oncologist since 2019
Read moreEducation:
Specialized Education and Experience:
Academic Career:
Education
Career
Gastroenterologist
Crohn's disease
Ulcerative colitis
Other autoimmune diseases
Gastritis
Ulcers of the stomach and duodenum
Precancerous conditions of the gastrointestinal tract
Irritable bowel syndrome
Chronic diarrhea
Chronic constipation, etc.
SPECIALIZATION:
Gastroenterologist
EDUCATION:
Azerbaijan State Medical University
COURSES:
Graduated from the Azerbaijan State Medical University. In different years, he participated in seminars held in Azerbaijan by German, Colombian, Swiss, Russian and Ukrainian specialists on "Basics of Homotoxicology", gastroenterology, isopathy, acupuncture and neurotherapy, and received the relevant certificates. At the Sisli Etfal Hospital Egitim Araştırma in Istanbul he attended the refresher courses on "Metabolic Disorders and Obesity", Ege University of Izmir on "Inflammatory Bowel Diseases" and at the same time he attended the Congress on Bioregulatory Drugs in Germany. He attended the courses held Individual Medical Association in Ankara, on the topic of "-CGF and Serum Ozonation". Currently working as a gastroenterologist in the clinic of biological medicine. Has successful results in the treatment of a number of chronic diseases of the gastrointestinal tract.
EXPERIENCE:
21 years old
Read moreViral 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
Read moreEducation
Ondokuz Mayıs University Faculty of Medicine (1991)
KTÜ Faculty of Medicine Farabi Hospital (Specialization.1998)
Istanbul University Çapa Faculty of Medicine (Laparoscopic Surgery Training, 2002)
Istanbul University Çapa Faculty of Medicine (Laparoscopic Antireflux Surgery Training, 2006)
Istanbul University Cerrahpaşa Faculty of Medicine (General Surgery Clinic Advance Laparoscopic Surgery, Laparoscopic Bariatric Surgery, Morbid Obesity and Oncological Cancer Surgery Training, 2010i)
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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
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Specializations
Oncological Surgery (Cancer Surgery)
Breast Diseases Surgery
Gallbladder and biliary tract diseases surgery
Thyroid – Parathyroid Surgery
Inguinal and Abdominal Wall Hernia, Stomach Hernia Surgery
Closed (Laparoscopic) Hernia Surgery
Endoscopy Applications
Treatment of Gastrointestinal System Diseases
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ACADEMIC CAREER SUMMARY
Degree: Bachelor's
Field: Medicine
University: Atatürk University
Year: 2001
Degree: Master's
Field: Medicine
University: Atatürk University
Year: 2001
Specialization/Doctorate: Internal Medicine/Gastroenterology
University: İnönü University
Year: 2012
Associate Professorship: Gastroenterology
University: İnönü University
Year: 2018
Foreign Language: English, 67.5, 2007
H-index (WoS/Google): 8/10
Impact Factor: 8.1577
Key Research Work:
“Does apocynin increase liver regeneration in the partial hepatectomy model?” Yılmaz Bilgiç, Burhan Hakan Kanat, Onural ÖZHAN, Azibe YILDIZ, Zeynep AKSUNGUR, Mehmet Erman ERDEMLİ, Nigar VARDI, Yusuf TÜRKÖZ, Sami AKBULUT, Adem KÖSE, Hakan PARLAKPINAR. Turkish Journal of Medical Sciences, 2023 (53), 1-12 Q3.
Declared Project Title, Year:
K.3.6. “Investigation of the Effects of Vinpocetine in Sepsis Created by Cecal Ligation and Puncture in Rats” (Principal Investigator), 2023
International Experience:
Advanced Endoscopy Training, Anam Hospital, South Korea (3 months, 2016)
Advanced ERCP Course, Olympus Training Center, Hamburg (2017)
ADMINISTRATIVE POSITIONS
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
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.
Read moreDoctor's visit | price on request |
Esophagectomy | $2709.13 - $3792.79 |
Dr. Ayman is a Medical Doctor and Surgeon specializing in General and Bariatric Surgery, with extensive training and experience in minimally invasive surgery and obesity management.
Doctor earned his Master's Degree in Medicine and Surgery from the University of Brescia in 2005. He then completed his specialization in General Surgery at the same university in 2016, with a thesis titled "Fast track in minimally invasive colon surgery. He has complete autonomy in the clinical management of complex patients and extensive experience in performing a variety of surgical procedures, including major surgeries. His expertise includes gastric and colorectal surgery, bariatric surgery, abdominal wall surgery, videolaparoscopic (VLC) and laparotomic (VLA) procedures, and proctology. He is particularly skilled in performing medium and major surgeries in emergency settings.
Currently, he practices at Maria Cecilia Hospital in Bologna, where he evaluates the degree of obesity and associated conditions. Based on these assessments, he determines the most suitable surgical intervention, such as sleeve gastrectomy, gastric bypass, and mini laparoscopic bypass.
He has advanced training in colorectal and abdominal wall surgery from top institutions in Italy and Belgium.
He is an active member of the Italian Society of Obesity Surgery and Metabolic Disorders (S.I.C.OB.) and the International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO), contributing to the advancement of bariatric surgery on an international level.
Dr. Ayman is distinguished by his dedication to patient care and his advanced skills in minimally invasive and bariatric surgery.
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INTERNAL MEDICINE / GASTROENTEROLOGIST AND HEPATOLOGIST
Graduation (M.D. From)
Bachelor of Medicine, Faculty of Medicine, Chiang Mai University
Certificates
Diploma in Internal Medicine, Faculty of Medicine, Chulalongkorn Memorial Hospital, Thai Red Cross Society
Diploma of Internal Medicine in Gastroenterology and Hepatology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Current Positions
INTERNAL MEDICINE / GASTROENTEROLOGIST AND HEPATOLOGIST AT INTRARAT HOSPITAL
Read moreProcedures Performed
Diseases Treated
Doctor's visit | price on request |
Esophagectomy | $325.1 - $541.83 |