Colonoscopy Doctors Abroad — Page 7

Dr. Binnur Simsek is a gastroenterology specialist. She has experience in liver cirrhosis, portal hypertension, hepatocellular carcinoma, liver transplantation, and viral hepatitis (B, C, Delta). She also treats alcoholic and non-alcoholic fatty liver disease, peptic ulcers, gastrointestinal bleeding, and inflammatory bowel diseases such as ulcerative colitis and Crohn’s colitis.

She completed her medical and gastroenterology training at Istanbul University Faculty of Medicine. Dr. Simsek has worked at Istanbul University, Sanlıurfa Education and Research Hospital, Liv Hospital, and Istinye University. She is a member of the Turkish Association for the Study of the Liver and the Turkish Society of Gastroenterology.

Dr. Kayihan Engin is the Director of Oncological Sciences at Medicana Bursa Hospital. He specializes in radiation oncology and thermoradiotherapy. He completed a post-doctoral fellowship at Thomas Jefferson University in Philadelphia. Dr. Engin treats complex cases like glioblastoma and stage 4 lung cancer.

• Performs advanced procedures including CyberKnife and targeted radiotherapy.
• Served as Director and Professor at Anadolu Medical Center.
• Former Chairman of the Radiation Oncology Department at Uludağ University.
• Awarded a research scholarship by the US National Cancer Institute (NIH).

Areas of Interests

• Pituitary Diseases
• Thyroid Diseases
• Obesity
• Diabetes
• Female and Male Reproductive System Diseases
• Parathyroid Diseases
• Adrenal Gland Diseases
• Osteoporosis and Metabolic Bone Diseases

Education:

• Hacettepe University Faculty of Medicine
• Bezmialem Foundation University
• Health Sciences University Bakirkoy Dr. Sadi Konuk Training and Research Hospital
• Cleveland Clinic, The Endocrinology and Metabolism Institute observer physician
• University of Piemonte Orientale, SCDU Endocrinology, Italy, observer physician
   

Experience:
 

• Mehmet Akif Inan Training and Research Hospital
• Bakirkoy Dr. Sadi Konuk Training and Research Hospital
• Bezmialem Vakif University Hospital
• Malatya State Hospital

Medical Interests and Activities 

• Gastrointestinal diseases 

• Oncologic laparoscopic surgery 

• Anorectal area diseases 

• Urgent surgical cases (acute cholecystitis, divertikülit, ileus, pankreatit, appendicitis) 

• Colon and rectum cancer 

• Treatment of oncologic surgical cases with further laparoscopic and robotic surgery. • Laparoskopik hernia surgery 

• Esophagus and stomach cancer 

• Selim anorectal diseases (hemorrhoidal disease, anal fissure), perianal fistula, pilonoidal sinus (hairless- non-surgical treatment)

Education and Experience 

• İstanbul University Medical Faculty 1988 • University of Colorado Health Science Center – Intern Surgeon 

• Isparta, Dedeçam Şehit Ramazan Karaca Health Center (1995-1996) • İstanbul Surgery Hospital – American Hospital (2000-2001) 

• Chief assistant Istanbul Medical Faculty, Department of General Surgery (2001-2008) • World Congress on Peritonel Surface Malignancies (HIPEC course) Berlin, Germany (2012) 

• USC Keck School of Medicine, Los Angeles, CA, USA (2006-2007) 

• Assoc. Prof. M.D. , İstanbul Medical Faculty General Surgery (2008-2014) 

• Da Vinci Robotic Intensive Course at IRCAD, Strasbourg, France (2011) 

• Stony Brook Medicine Cadaver Training Event in Colon and Rectal Surgery, New York, USA (2016) (Instructor) 

• Fellow of the European Board of Surgery- Emergency Surgery (FEBS EmSurg) Honorary Diploma (2017) 

• Prof. M.D. , İstanbul Medical Faculty General Surgery (2014 -2017) 

• İstanbul University Medical Faculty – General Surgery Master of Science 1996 

• University of Southern California Medical Center, Department of General Surgery, Los Angeles, USA – February 2006 – February 2007

Scientific Publications • Endoscopic Laparoscopic & Minimal Invasive Surgery Journal Editorial Board / National Scientific Committee • UTACD Assist. Editor

The doctor graduated with a Bachelor of Medicine from Mysore University in 1996, followed by a Doctor of Medicine in radiotherapy from Banaras Hindu University in 2002. Further enhancing expertise, the doctor earned a Diplomate of National Board in radiotherapy in 2004.

The doctor is a member of several prestigious organizations, including the Association of Radiation Oncology of India, the Society for Neuro-Oncology, the Bangalore Oncology Group, and the Indian Association of Hyperthermia Oncology, reflecting a strong commitment to advancing the field of oncology.

Dr. Radziunas leads the Endoscopy Center at the Medical Diagnostic and Treatment Center. He completed medical residencies across seven countries including the USA and Germany.

• Performs diagnostic colonoscopy as a specialized endoscopist and coloproctologist
• Specializes in removing gastric polyps during endoscopic procedures
• Trained in South Korea and Denmark on advanced abdominal surgery methods
• Author of numerous scientific articles focused on improving diagnostic techniques
• Heads a dedicated center for colorectal and abdominal health in Vilnius

The doctor is an experienced nuclear medicine specialist at HCG Manavata Cancer Centre with 12 years in the field. The doctor specializes in various nuclear scans, PET-CT scans, and nuclear cardiology services, demonstrating proficiency in radioiodine and Lu-177 RN therapies. Over the course of their career, the doctor has managed more than 30,000 PET scans and treated over 1,000 thyroid cancer patients. Additionally, the doctor has contributed to the field through published papers in various medical journals.

Dr. Raj Nagarkar has performed 50,000+ surgeries and leads HCG Manavata Cancer Centre. He focuses on oncologic screenings including colonoscopy for colorectal cancer detection.

• Founder and Chief of Surgical Oncology at a leading Indian cancer hospital
• Professor for Superspecialty Surgical Oncology at the Delhi National Board
• Member of the Royal College of Surgeons of Edinburgh
• Trained in surgical oncology at the prestigious Tata Memorial Hospital
• Participated in over 200 clinical trials to advance cancer care

Dr. Shaunak Valame is a medical oncologist at the HCG Manavata Cancer Centre. He specializes in the molecular basis of gastrointestinal cancers that require colonoscopy for diagnosis.

• Earned his DNB in Medical Oncology from Indraprastha Apollo Hospital in New Delhi
• Presented research on stomach cancer at the ASCO Gastrointestinal Cancer Symposium in San Francisco
• Member of the American Society of Clinical Oncology (ASCO)
• Expert in targeted therapies for solid tumors and gastrointestinal malignancies
• Former lecturer for the International Winter School of Oncology at AIIMS Bhopal

10,000 major surgeries performed – Dr. Lalit Banswal is a surgical oncologist specializing in gastrointestinal cancer diagnostics and treatment.

• Conducts endoscopic procedures to detect and treat colon and rectal cancers
• Expert in minimally invasive techniques including robotic and laparoscopic surgery
• Assistant Professor at the State Cancer Institute and Government Cancer Hospital
• Fellowship-trained in surgical oncology at the prestigious Tata Medical Centre
• Author of clinical research papers on gastrointestinal oncology in international journals

Dr. Shruti Kate heads the oncology department at HCG Manavata Cancer Centre. She previously served as a consultant at Tata Memorial Hospital – India's premier cancer research institute.

• Specializes in digestive tract tumors which often require colonoscopy for detection and staging
• Trained in internal medicine at Maulana Azad Medical College
• Awarded a travel grant by the World Conference on Lung Cancer in Toronto
• Member of the American Society of Clinical Oncology (ASCO)
• Member of the European Society for Medical Oncology (ESMO)

Dr. Ahmer Arif Shaikh is a surgical oncologist at HCG Manavata Cancer Centre. He specializes in oral cancer treatment with a focus on organ preservation. Dr. Shaikh completed fellowship training in head and neck surgical oncology at the same center. He is proficient in performing major maxillofacial and head and neck surgeries.

• Expert in functional rehabilitation for patients recovering from oral cancer.
• Active researcher with multiple publications in various medical journals.
• Works at an NABH-accredited center that treats over 75,000 patients yearly.
• Treats complex conditions including tongue, thyroid, and tonsil cancers.

Areas of Interests

• General Gastrointestinal Diseases
• Endoscopic procedures (gastroscopy, colonoscopy, enteroscopy, capsule endoscopy)
• Interventional endoscopy
• ERCP
• Endoscopic ultrasonography (EUS)
• Cholangioscopy
• Diseases of the biliary system and pancreas

Education:
 

• 1990 -1996 Ankara University Faculty of Medicine
• 1997 - 2001 Ankara Numune Training and Research Hospital Internal Medicine Residency
• 2001 - 2003 Turkey High Specialization Training and Research Hospital, Gastroenterology Subspecialization
• 2010 - 2010 State University of New York, USA, Department of Gastroenterology, EUS training program
   

Experience:
 

• June 2024 LIV Hospital Ulus Hospital
• 2018 - 2024 Florence Nightingale Hospitals, Gastroenterology Clinic
• 2013 - 2018 Memorial Ataşehir Hospital, Gastroenterology Clinic
• 2008 - 2013 Gaziantep University Faculty of Medicine, Department of Gastroenterology, Assoc. Prof. Dr.
• 2008 - 2008 Medicalpark Gaziantep Hospital Gastroenterology Clinic
• 2004 - 2008 Gaziantep State Hospital Gastroenterology Clinic, Endoscopy Unit Founding Physician

Publications

• Arhan M, Koklu S, Koksal AS, Yolcu OF, Koruk S, Koruk I, Kayacetin E. Alverine citrate induced acute hepatitis. World J Gastroenterol 2004; 10(15): 2303-4  ISSN: 1007-9327
• Parlak E, Cicek B, Koruk I, Disibeyaz S, Sahin B. Successful prevention of stent migration caused by placement of a second stent. Endoscopy. 2005; 37(4): 404. ISSN: 0013-726X
• Koruk I, Ozturk ZA, Köklü S, Koruk S, Ozdede S. Port-site metastasis after laparoscopic cholecystectomy. Acta Gastroenterol Belg. 2008; 71(2): 283-4      ISSN:0001-5644
• Koruk I, Parlak E, Secilmis S, Akdogan M, Koklu S.  Endoscopic sphincteroplasty with large balloon dilatation for extraction of difficult common bile duct stones. Dig Dis Sci. 2008 Jun;53(6):1737-8. ISSN: 0163-2116
• Ozkaya M, Yuzbasioglu MF, Koruk I, Cakal E, Sahin M, Cakal B. Preoperative detection of insulinomas: two case reports. Cases J. 2008 Nov 29; 1(1): 362  ISSN: 1757-1626
• Yılmaz Ö, Koruk İ, Çayır K, Koruk M, Yılmaz A. Usefullness of serum insulin-like growth factor (IGF-1) and insulin-like growth factor binding protein-3 (IGFBP-3) for colorectal cancer diagnosis. Int J Hematol Oncol 2009; 19(1): 23-27  ISSN: 1306-133X
• Savaş C, Koruk İ, Koruk M, Kadayıfçı A, Sarı İ. Association of prion protein with the stage of liver fibrosis in chronic viral hepatitis. Trakya Univ Tip Fak Derg. 2010; 27(4): 373-7. DOI: 10.5174/tutfd.2009.02284.1 ISSN: 1301-3149
• Buyukberber M, Koruk I, Cıkman O, Koruk M, Kucukoglu ME, Sakman A, Demir O, Sahinoz S. Serum cystatin C measurement in differential diagnosis of intra and extrahepatic cholestatic diseases. Ann Hepatol 2010; 9(1): 58-62  ISSN: 1665-2681
• Gulsen MT, Koruk I, Dogan M, Beyazit Y. Diagnostic accuracy of cascade stomach by upper gastrointestinal endoscopy in patients with obscure symptoms: A multi-center prospective trial. Clin Res Hepatol Gastroenterol. 2011; 35: 489-93. DOI: 10.1016/j.clinre.2011.03.004         ISSN: 2210-7401
• Koruk I, Aydın U, Koruk S, Aydınlı M. A newly defined biliary anatomic variation. Turk J Gastroenterol 2011; April 22(2): 232-3  DOI:10.4318/ tjg.2011.0204  ISSN: 1300-4948
• Koruk İ, Özdemir H, Aydınlı M, Tarakçıoğlu M, Koruk M. The relation between serum Cytokeratin 18 and acute pancreatitis: Can it be a serological predictive marker?. Turk J Gastroenterol. 2011. DOI:10.4318/tjg.2011.0256 ISSN: 1300-4948
• Aydinli M, Koruk I, Koruk S, Aydin U, Kadayifci A. Intraoperative cholangioscopy with an ultrathin endoscope for hemobilia. Endoscopy 2011;43 Suppl 2 UCTN:E410. doi: 10.1055/s-0030-1256897. Epub 2012 Jan 24
• Aydinli M, Koruk I, Dag MS, Savas MC, Kadayifci A. Ultrathin endoscopy for gastrointestinal strictures. Digestive Endoscopy 2012 May;24(3):150-3. doi: 10.1111/j.1443-1661.2011.01206.x. Epub 2011 Oct 27                 ISSN: 0915-5635
• Yılmaz Ö, Koruk İ, Onbaş O, Ozgokce M. Portal venous gas resulting from enteritis in a case with portal hypertension: Case report. Türkiye Klinikleri Tıp Bilimleri Dergisi. 2012; 32 (4): 1195-8 ISSN: 1300-0292
• Demiryürek S, Koruk I, Bozdag Z, Ozkara E, Kaplan DS, Oztuzcu S, Cetinkaya A, Alasehirli B, Demiryürek AT. Investigation of the esophageal Rho-kinase expression in patients with Barrett's esophagus. Ultrastruct Pathol. 2013 Aug;37(4):284-9. doi: 10.3109/01913123.2013.797064        ISSN: 0191-3123
• Dag MS, Ozturk ZA, Koruk I, Kısacık B, Gerenli O, Aydınlı M, Kadayıfcı A. Intestinal Behcet's disease with severe pulmonary arterial involvement mimicking ulcerative colitis. Asian Biomedicine. 2013; 7(5): 715-8      ISSN: 1905-7415
• Dağ MS, Aydınlı M, Oztürk ZA, Türkbeyler IH, Koruk I, Savaş MC, Koruk M, Kadayıfçı A. Drug- and herb-induced liver injury: a case series from a single center. Turk J Gastroenterol. 2014 Feb;25(1):41-5. doi: 10.5152/tjg.2014.4486ISSN: 1300-4948
• Kadayifci A, Atar M, Parlar S, Balkan A, Koruk I, Koruk M. Transnasal endoscopy is preferred by transoral endoscopy experienced patients. J Gastrointestin Liver Dis. 2014 Mar;23(1):27-31     ISSN: 1841-8724
• Alasehirli B, Oğuz E, Oksuzler E, Koruk I, Oztuzcu S, Ozkara E, Karakok M, Erbagcı AB, Demiryurek AT. Investigation of intercellular adhesion molecules (ICAMs) gene expressions in patients with Barrett's esophagus. Tumour Biol. 2014 May;35(5):4907-12. doi: 10.1007/s13277-014-1644-3      ISSN: 1010-4283
• Dag M, Özturk Z, Aydınlı M, Koruk I, Kadayfçı A. Postpartum hepatotoxicity due to herbal medicine Teucrium polium. Ann Saudi Med. 2014 Nov-Dec;34(6):541-3. doi: 10.5144/0256-4947.2014.541        ISSN: 0256-4947
• Tahtacı M, İbiş M, Koruk İ, Parlak E. Endoscopic removal of fractured basket traction wire. Turk J Gastroenterol. 2014 Dec;25 Suppl 1:324-5. doi: 10.5152/tjg.2014.6582            ISSN: 1300-4948
• Dağ MS, Koruk İ, Aydınlı M, Çam H, Öztürk ZA, Kadayıfçı A. An unusual cause of esophageal ulcer; sertraline hydrochloride. Turk J Gastroenterol. 2014 Dec;25 Suppl 1:250-1. doi: 10.5152/tjg.2014.4646  ISSN: 1300-4948
• Balkan A, Yılmaz N, Balkan Y, Koruk İ, Örkmez M, Aydınlı M, Koruk M. Relationship between liver injury and serum cytokeratin 18 levels in asymptomatic hepatitis B virus carriers and in patients with chronic hepatitis B infection. Arab Journal of Gastroenterology. 2017; 18: 98–103                   ISSN: 1687-1979
• Koruk İ. How to manage difficult cannulation in ERCP. Gastroenterology and Hepatology: Open Access. 2017, 6(3): 00194. DOI: 10.15406/ghoa.2017.06.00194 ISSN: 2373-6372
• Valori R, Cortas G, de Lange T, Balfaqih OS, de Pater M, Eisendrath P, Falt P, Koruk I, et al.  Performance measures for endoscopy services: A European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement Initiative.  Endoscopy 2018; 50: 1186–1204   ISSN 0013-726X
• Koruk S, Koruk I, Mizrak A. A, Bilgi M, Gul R, Bozgeyik S. Dexmedetomidine or midazolam in combination with propofol for sedation in endoscopic retrograde cholangiopancreatography: a randomized double blind prospective study. Videosurgery Miniinv. 2020; 15(3): 526-32 doi.org/10.5114/wiitm.2020.95066

Prof. Dr. Adil Baykan is a senior professor at Ankara University. He focuses on colorectal surgery and specialized colonoscopy techniques at Medistate Hospital Istanbul.

• Trained at the Mayo Clinic and St. Mark's Hospital in London
• Specializes in laparoscopic surgery – using small incisions for faster recovery
• Completed three months of colorectal surgery practice at St. Mark's Hospital
• Published numerous articles on colon cancer in global medical journals
• Member of the surgical faculty at Ankara University

Dr. Kamil Ozdil is a professor of gastroenterology at Biruni University Hospital in Istanbul. He won the National Scholar Award for his research on Helicobacter Pylori therapies. Dr. Ozdil treats complex liver cirrhosis and inflammatory bowel diseases. He works at a TEMOS-accredited university facility with over 130 specialist doctors.

• Performs specialized procedures like EUS, ERCP, and endoscopic mucosal resection.
• Expert in stomach balloon placement for weight management and gastric health.
• Winner of multiple national prizes for research in hepatitis and ulcerative colitis.
• Member of the Turkish Gastroenterology and Hepatitis Infections Union associations.