I migliori Polipi del tratto gastrointestinale per il trattamento di Polipi del tratto gastrointestinale a Istanbul - TOP-25 medici

Il Dott. Tarik Akar è specializzato in tecniche endoscopiche avanzate per i polipi gastrointestinali, con ampie ricerche e riconoscimento internazionale.

• Laureato presso la Facoltà di Medicina di Cerrahpaşa, Università di Istanbul
• Ha pubblicato 19 articoli internazionali sui disturbi gastrointestinali
• Premiato per la Miglior Presentazione Orale e Miglior Poster al 7° Congresso Internazionale sui Tumori del Sistema Gastrointestinale
• Specializzato in ESD per i tumori gastrointestinali in fase iniziale

Prof. Dr. Engin Tutar was born in Istanbul in 1964. He completed his primary and secondary education at Istanbul Erkek Lisesi between 1975 and 1982, and graduated from Istanbul University Istanbul Faculty of Medicine in 1988. In December of the same year, he started his specialization in the Department of Pediatrics at Dr. Lütfi Kırdar Kartal Training and Research Hospital, becoming a specialist in Pediatrics in February 1993. He completed his subspecialty training in Pediatric Gastroenterology, Hepatology, and Nutrition at Marmara University Faculty of Medicine, becoming a subspecialist in 2006. He served as the Assistant Chief Physician and Acting Chief Physician at the 2nd Pediatric Clinic of Dr. Lütfi Kırdar Kartal Training and Research Hospital between 2010 and 2012. In May 2012, he transferred to Marmara University Faculty of Medicine, where he became an Associate Professor in Pediatric Gastroenterology, Hepatology, and Nutrition in 2014, and a Professor in 2020. Alongside his international and national article authorships, he has given over 50 presentations at congresses/courses/association meetings. He retired in May 2024 while serving as the head of the Pediatric Gastroenterology, Hepatology, and Nutrition department at Marmara University Faculty of Medicine. As of June 2024, he is accepting patients at Hisar Hospital Intercontinental.

MEDICAL INTERESTS

• Healthy child monitoring
• Growth and nutritional disorders
• Approach to patients with abdominal pain
• Gastroesophageal reflux
• Chronic diarrhea and chronic constipation
• Celiac disease
• Inflammatory bowel disease
• H. pylori infection-related and unrelated gastritis and ulcers, patients with gastric bleeding
• Liver, gallbladder, and pancreas diseases
• Acute and chronic gastrointestinal infections
• Diagnostic upper and lower gastrointestinal endoscopy
• Therapeutic upper and lower gastrointestinal endoscopy (esophageal variceal bleeding, gastric and small bowel ulcer bleeding, polypectomy)
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Education:

• Bachelor of Science (MD): Faculty of Medicine, Uludag University, 1989

Specialized Education and Experience:

• General Surgery Specialist Degree: Ankara Numune Training and Research Hospital, 1997
• Fellowship: Gastroenterology Surgery, Türkiye High Specialization Hospital, 2005

Academic Career:

• Associate Professor: General Surgery, Inonu University, 2011
• Professorship: General Surgery, İnönü University, 2017

Prof. Dr. Samet Yardımcı - Specialist in Gastroenterology and General Surgery

Education and Specialization:

• Medical Degree: Ankara University Faculty of Medicine (2003)
• Residency in General Surgery: Haydarpaşa Numune Training and Research Hospital (2003-2009)
• Fellowship in Gastroenterology Surgery: Türkiye Yüksek İhtisas Training and Research Hospital (2009-2012)

Professional Experience:

• 2003-2009: Assistant Doctor at Haydarpaşa Numune Training and Research Hospital
• 2009-2012: Specialist at Türkiye Yüksek İhtisas Training and Research Hospital
• 2012-2017: Specialist at Marmara University Pendik Training and Research Hospital
• 2017-2018: Associate Professor at Marmara University Pendik Training and Research Hospital
• 2018-Present: Professor at VM Medical Park Pendik Hospital

Areas of Expertise:

• Obesity Surgery
• Gastroenterology Surgery
• Reflux Surgery
• Stomach Surgery
• Laparoscopic Surgery
• Inflammatory Bowel Diseases
• Colorectal Surgery

Research and Publications: Prof. Dr. Yardımcı has numerous publications in international journals, focusing on topics such as liver regeneration, splenic hydatid cysts, and the surgical treatment of gastrointestinal diseases. His research includes innovative methods in bariatric surgery and the treatment of inflammatory bowel diseases.

Certifications and Awards:

• Turkish Surgery Competency Certificate
• International Observership Certificate from Memorial Hermann Hospital, Houston, Texas
• Best Young Researcher Award at the Congress of Transplantation (2011)
• Istanbul Provincial Health Directorate Patient Satisfaction Certificate

Professional Memberships:

• Turkish Surgery Association
• Turkish Hepato-Pancreato-Biliary Surgery Association
• Gastroenterology Surgery Association
• Turkish Obesity Surgery Association
• International Federation for the Surgery of Obesity and Metabolic Disorders

Experience:

2022 - 

Medipol Bahçelievler

2021 - 2022

MEDIPOL UNIVERSITY SEFAKÖY HOSPITAL

2018 - 2020

İSTİNYE UNIVERSITY FACULTY OF MEDICINE

2014 - 2020

TOKAT STATE HOSPITAL

2010 - 2010

BINGOL STATE HOSPITAL

Education:

2021

MEDIPOL UNIVERSITY, GASTROTEROLOGY

2018

İSTINYE UNIVERSITY, INTERNAL DISEASES USA

2014

ANKARA TRAINING AND RESEARCH HOSPITAL, GASTROENTEROLOGY

2010

FIRAT UNIVERSITY, FACULTY OF MEDICINE/INTERNAL MEDICAL SCIENCES DEPARTMENT/INTERNAL MEDICINE DEPARTMENT

2004

FIRAT UNIVERSITY, FACULTY OF MEDICINE

A. International Peer-Reviewed Journal Articles:

Title: Fatal fulminant hepatitis B after withdrawal of entecavir treatment in a patient with HBeAg seroconversion.

• Authors: Sarıkaya Murat, Koçak Erdem, Köklü Seyfettin, Babalı Ayşegül, Çakal Başak
• Journal: Acta Gastro-Enterologica Belgica
• Year: 2012
• Volume/Issue: (Kontrol No: 1206043)

Title: Acute gastric obstruction resulting from gallstone-induced bezoar.

• Authors: Sarıkaya Murat, Koçak Erdem, Köklü Seyfettin, Akbal Erdem
• Journal: The American Surgeon
• Year: 2012
• Volume/Issue: 78(12)
• Page: 529
• (Kontrol No: 1129707)

Title: Garlic-induced esophagitis.

• Authors: Doğan Zeynal, Sarıkaya Murat, Filik Levent, Ergül Bilal
• Journal: Acta Gastro-Enterologica Belgica
• Year: 2013
• Volume/Issue: 76(2)
• Page: 262
• (Kontrol No: 1131422)

Title: Association between Helicobacter pylori and liver-to-spleen ratio.

• Authors: Doğan Zeynal, Sarıkaya Murat, Filik Levent, Ergül Bilal
• Journal: European Journal of Gastroenterology & Hepatology
• Year: 2013
• Volume/Issue: 25(1)
• Pages: 107-110
• Citations: 7
• DOI: 10.1097/MEG.0b013e3283590c10
• (Kontrol No: 1131424)

Title: Crohn's disease masked by median arcuate ligament syndrome.

• Authors: Bıyıkoğlu İbrahim, Sarıkaya Murat, Uysal Ramadan Selma, Ergül Bilal, Doğan Zeynal
• Journal: Chinese Medical Journal
• Year: 2013
• Volume/Issue: 126 (14)
• Page: 2798
• Citations: 1
• (Kontrol No: 1131477)

Title: Telaprevir and anemia: What we learned from the first three patients.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
• Journal: Scandinavian Journal of Infectious Diseases
• Year: 2013
• Volume/Issue: 45(7)
• Page: 575-575
• Citations: 2
• DOI: 10.3109/00365548.2012.759271
• (Kontrol No: 1129738)

Title: Magnesium and parathyroid hormone levels of patients using different proton pump inhibitors.

• Authors: Sarıkaya Murat, Filik Levent, Ergul Bilal, Doğan Zeynal
• Journal: Gastroenterology Nursing
• Year: 2013
• Volume/Issue: 36 (2)
• Pages: 145-148
• DOI: 10.1097/SGA.0b013e31828d3753
• (Kontrol No: 1129715)

Title: Is topical pharyngeal anesthesia necessary in esophagogastroduodenoscopy in all unsedated patients?

• Authors: Ergül Bilal, Sarıkaya Murat, Doğan Zeynal, Filik Levent, Bıyıkoğlu İbrahim
• Journal: Digestive Endoscopy
• Year: 2013
• Volume/Issue: 25(1)
• Pages: 90-91
• Citations: 2
• DOI: 10.1111/j.1443-1661.2012.01383.x
• (Kontrol No: 1129879)

Title: Inpatient Care Of Hepatitis C: Applying The Four Pillars Model To The Hospital Setting.

• Authors: Sarıkaya Murat, Filik Levent, Doğan Zeynal, Ergül Bilal
• Journal: Gastroenterology Nursing
• Year: 2013
• Volume/Issue: 36(2)
• Pages: 141-144
• DOI: 10.1097/SGA.0b013e31828d33db
• (Kontrol No: 1129712)

Title: "The "Bouveret's Syndrome" Case Resolved Without Necrotic Changes."

• Authors: Bilal Ergül, Murat Sarıkaya, Zeynal Doğan, Sevda İdil, Tarkan Karakan, Abdullah Çetin Köseoğlu
• Journal: Case Reports in Gastrointestinal Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 725434
• DOI: 10.1155/2013/725434
• (Kontrol No: 1131423)

Title: Severe acute pancreatitis due to hypertriglyceridemia.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent, Bıyıkoğlu İbrahim
• Journal: Case Reports in Gastrointestinal Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 945902
• DOI: 10.1155/2013/945902
• (Kontrol No: 1131425)

Title: Gallstone Ileus Caused by Cholecystoenteric Fistula Demonstrated on Computed Tomography.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent, Sevda İdil
• Journal: Case Reports in Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 652960
• DOI: 10.1155/2013/652960
• (Kontrol No: 1131426)

Title: Intestinal Perforation Due to Ingested Chicken Bone Mimicking Crohn's Disease.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
• Journal: Case Reports in Gastrointestinal Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 604820
• DOI: 10.1155/2013/604820
• (Kontrol No: 1131427)

Title: Acute pancreatitis induced by hypertriglyceridemia: A case-based review.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
• Journal: Turkish Journal of Gastroenterology
• Year: 2013
• Volume/Issue: 24(3)
• Pages: 276-280
• DOI: 10.4318/tjg.2013.0565
• (Kontrol No: 1129727)

Title: An Unusual Complication of Endoscopic Retrograde Cholangiopancreatography: Severe Acute Pancreatitis Leading to Death.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent, Tarkan Karakan
• Journal: Case Reports in Gastrointestinal Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 658370
• DOI: 10.1155/2013/658370
• (Kontrol No: 1131475)

Title: A Rare Cause of Abdominal Pain: Mesenteric Panniculitis.

• Authors: Sarıkaya Murat, Doğan Zeynal, Ergül Bilal, Filik Levent
• Journal: Case Reports in Gastrointestinal Medicine
• Year: 2013
• Volume/Issue: 2013
• Article ID: 925259
• DOI: 10.1155/2013/925259
• (Kontrol No: 1131476)

B. Contributions to Scientific Conferences:

Title: Suicidal poisonings in Turkey: demographic and clinical aspects.

• Authors: Sarikaya M., Gunes A., Goksu E., Erdogan G., Ozen C., Kaya A.
• Conference: 30th European Congress of Clinical Toxicology (EAPCCT)
• Year: 2000
• Abstract ID: P44
• (Kontrol No: 1131478)

Title: A Rare Cause of Gastrointestinal Bleeding: Aortoenteric Fistula.

• Authors: Doğan Zeynal, Sarıkaya Murat, Filik Levent, Ergül Bilal
• Conference: World Congress of Gastroenterology
• Year: 2013
• Abstract ID: P1367
• (Kontrol No: 1131479)

Il medico si è laureato presso la Facoltà di Medicina dell'Università di Hacettepe nel 1980 e ha conseguito il titolo di Internista presso l'Università di Çukurova nel 1985. Completando una borsa di studio in Gastroenterologia presso l'Università di Marmara nel 1997, il medico è diventato Professore Associato presso l'Università di Fırat nel 1989 e Professore presso l'Università Abant İzzet Baysal nel 1998. Con un'ampia partecipazione a congressi locali e internazionali, il medico ha scritto numerosi articoli, articoli e capitoli di libri sia in lingua madre che in lingue straniere. Il medico ha lavorato in varie istituzioni, tra cui l'Ospedale Privato Camlica Medicana e l'Ospedale di Servizio Memoriale.<\/p>

Dr. Zulfikar Polat is a gastroenterology and internal medicine specialist. He trained at Ankara Gülhane Military Medical Academy, where he completed his specialty and became an Associate Professor. He is a Professor at İstanbul Aydın University. His postgraduate experience includes Ankara Gülhane Military Medical Academy and İstanbul Aydın University. He also worked at Anadolu Medical Center, affiliated with Johns Hopkins Medicine (USA).

Clinical focus includes gastroenterology, hepato-pancreatology, inflammatory intestinal diseases, and diagnostic and interventional endoscopic procedures. Professional memberships include the Turkish Gastroenterology Association (TGD), Turkish Endoscopy Society, TÜRK EUS, ESGE, EASL, and AASLD. He has 45 national and international publications.

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

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

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

• Institution: İnönü University Turgut Özal Medical Center
  City: Malatya
  Position: Assistant Chief Physician
  Period: 2021 - 2024

Education

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)

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

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).

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

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

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.

Il professor dottor Ali Solmaz è specializzato in polipi gastrointestinali con vasta esperienza in chirurgia generale e tecniche endoscopiche avanzate.

• Professore associato presso l'Ospedale di Formazione e Ricerca di Bagcilar
• Membro dell'Associazione di Chirurgia Turca e dell'Associazione Nazionale di Chirurgia Endoscopica Laparoscopica
• Membro del comitato editoriale di diversi giornali di gastroenterologia
• Esercita presso l'Ospedale Çamlıca Erdem a Istanbul

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

Undergraduate Faculty of Medicine Trakya University 1995-2001
Medical Residency Internal Medicine Uludağ University 2001-2006
Subspecialty Gastroenterology Medeniyet University, Göztepe Training and Research Hospital / Gastroenterology Clinic 2007-2011

Experience

Internal Diseases
Assistant doctor Uludağ University Faculty of Medicine
Internal Diseases USA 2001-2006

Internal Diseases Specialist Şanlı Urfa Mehmet Akif İnan
Training and Research Hospital 2007
(Jul-Dec)

Gastroenterology Minor
Assistant Istanbul Medeniyet Universityniversitesi
Göztepe Training and Research Hospital
Gastroenterology Clinic 2007-2011
Gastroenterology Specialist Sivas Numune Hospital 2011-2013

Gastroenterology
Chief Resident Health Sciences University
Ümraniye Training and Research Hospital 2013-2017

Assoc. Dr.
Chief Assistant of Gastroenterology Clinic University of Health Sciences
Ümraniye Training and Research Hospital
2017-2021

Assoc. Dr.
Gastroenterology Clinic Administrative Responsible University of Health Sciences
Ümraniye Training and Research Hospital
2021-2024

Scientific Memberships
 

Turkish Society of Gastroenterology
Turkish Association of Liver Research
Gastrointestinal Endoscopy Society

Awards

Third Prize for Oral Presentation, 32nd National Gastroenterology Week, Turkish Gastroenterology Association, November 25-29, 2015. Turkish J. Gastroenterol 2015;26(suppl 1): Oral Presentation 03, S:11
Oral Presentation Third Prize. XVth Eurasian Congress of Gastroenterology and Surgery, 27 apr-01 May 2016, Antalya P:89