Colonoscopy Doctors in Turkey — Page 3

Education and Specialization

• Bachelor’s Degree in Medicine (English) – Hacettepe University, 1997
• Master’s Degree – Department of Internal Medicine, Akdeniz University, 2004
• Ph.D. / Proficiency / Medical Specialization – Division of Gastroenterology, Akdeniz University, 2007

Experience

• Akdeniz University Faculty of Medicine 1998/2004
• Akdeniz University Faculty of Medicine  2004/2007
• Urfa Training and Research Hospital 2008/2009
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology  2010/2011
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2011/2013
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2013/2017
• Medical Park Antalya Hospital, Gastroenterology Department and Organ Transplant Center

Prof. Selin Kapan has been a Professor of General Surgery since 2017. She is currently with Istanbul Aydın University, Faculty of Medicine, Department of General Surgery (2022–present). She previously worked at Bakırköy Dr. Sadi Konuk Training and Research Hospital as a Specialist and Associate Professor. She also served as Educational and Administrative Supervisor at Kanuni Sultan Süleyman Training and Research Hospital. In addition, she was Medical Coordinator and General Surgeon at Istanbul Surgery Hospital.

She has authored or co-authored more than 50 peer-reviewed papers. Her research covers hernia repair, perianal fistula, pilonidal disease, hepatic hydatid disease, laparoscopic surgery, and gastrointestinal surgery. Her work has been published in journals such as Digestive Surgery, Hernia, Techniques in Coloproctology, and the Journal of Gastrointestinal Surgery. She is a member of the Turkish Surgical Association, the National Trauma and Emergency Surgery Association, the Hernia Society, the Turkish HPB Surgery Association, the Stem Cell and Cellular Therapies Association, and the Gastroesophageal Reflux Association.

Dr. Irfan Cicin is a Professor of Medical Oncology at the Trakya University Faculty of Medicine (2015–present). He has over 20 years of medical oncology experience and has held academic roles since 2010.

Education: MD, Istanbul University – Cerrahpaşa (1991–1997). Residency in Internal Medicine, Trakya University (1997–2002). Fellowship in Medical Oncology, Trakya University (2002–2004).

Practice: Medical Oncologist, Trakya University (2005–2008). Medical Oncologist, Elazığ Training and Research Hospital (2008–2010). Associate Professor of Medical Oncology, Trakya University (2010–2015). He previously served as a physician in the Turkish Air Force at Etimesgut Military Hospital (2004–2005).

Dr. Muhammed Mustafa Atci is an Associate Professor of Medical Oncology at İstinye University, Liv Hospital Topkapı (2025–present). He previously served as Associate Professor and Education Coordinator at Prof. Dr. Cemil Taşcıoğlu City Hospital (2023–2025). He was also a Medical Oncologist there (2018–2021).

He has been a member of ASCO and the Turkish Society of Medical Oncology since 2018. He is the author or co-author of 19 peer-reviewed international papers on colon, breast, gastric, pancreatic, lung, thyroid, sarcoma, and colorectal cancers.

Notable works include a multicentre study on stage IIB colon cancer survival (Journal of Chemotherapy). He also studied the De Ritis ratio for lung metastasis in testicular cancer (Current Urology). His prognostic studies used PET/CT, MSI, lymph node ratio, and metabolic tumor volume.

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)

Assoc. Prof. Atakan Topçu, M.D., is a medical oncologist at Medipol University and Medipol Acıbadem Regional Hospital. He treats solid tumors, including lung, breast, colorectal, gastric, and neuroendocrine cancers. His work also covers targeted therapies, immunotherapy, geriatric oncology, and cancer-related malnutrition, cachexia, and sarcopenia.

He has authored more than 50 peer-reviewed papers. Recent work includes a 2024 Frontiers in Medicine study on geriatric syndromes and a 2023 Future Oncology paper on sarcopenia and anxiety in lung cancer. He has also published on the CONUT score in breast cancer and on malnutrition in HER2-negative metastatic gastric cancer.

Dr. Topçu serves on the Editorial Board of BMC Cancer. He is a member of the Turkish Society of Medical Oncology, ESMO, and the Turkish Geriatrics Society. Education and training: M.D., Uludağ University; residency in Internal Medicine, Marmara University; fellowship in Medical Oncology, Bezmialem Vakıf University.

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. Mehmet Ali Gok is an Associate Professor of General Surgery at Medipol University Pendik Hospital. He specializes in laparoscopic hernia repair and metabolic surgery. Dr. Gok has authored over 20 national and international scientific articles on surgical outcomes. He practices at a hospital with 95.4 out of 96.4 healthcare quality points.

• Certified in robotic colorectal surgery and laparoscopic hernia techniques on cadavers.
• Received specialized training from the European Hernia Society in Dubai.
• Served as a former Chief Physician at Silopi State Hospital.
• Editor of several medical books on oncological, hernia, and minimal invasive surgery.

Dr. Nihat Okcu is a gastroenterologist and gastrointestinal surgeon at Medipol University Pendik Hospital. He specializes in the treatment of complex digestive conditions and liver diseases. Dr. Okcu has published over 20 academic papers on gastric cancer and endoscopic diagnosis. He serves at a hospital with a 95.4% healthcare quality score.

• Performs laparoscopic anti-reflux surgery and small intestine resections.
• Expert in gastric polyps removal and duodenal polyp excision.
• Treats chronic conditions like cirrhosis, Crohn’s disease, and ulcerative colitis.
• Provides diagnostic gastroscopy with biopsy and ultrasound-guided procedures.

Dr. Tülin Kendir Koçak is a gastroenterology specialist at Emsey Hospital. She uses advanced screening techniques like colonoscopy to examine the large intestine and rectum.

• Performs chromoendoscopy – uses specialized dyes to better visualize and find abnormal tissues
• Specializes in interventional treatments – including the removal of polyps and foreign bodies
• Internal medicine and gastroenterology specialist trained at major Turkish training and research hospitals
• Treats complex digestive conditions – including Crohn’s disease, cirrhosis, and gastrointestinal bleeding

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.

The doctor completed specialization training in Radiation Oncology at Marmara University Faculty of Medicine from 2012 to 2016. Prior to this, the doctor completed an undergraduate degree in Medicine, taught in English, at the same institution from 2004 to 2011. The doctor has a strong foundation in medical education, beginning with high school education at Sixteen Numbered Shirvan School in Azerbaijan from 1998 to 2004.

Areas of Interests

• Breast cancer
• Lung cancer
• Colorectal cancers
• Gynecological and urogenital cancers
• Molecular Oncology

Education:

• Kızıltepe Anatolian High School 2001
• Dicle University Faculty of Medicine 2007
• Istanbul Medeniyet University Göztepe Training and Research Hospital 2014
• Kartal City Hospital 2021
• Associate Professor of Medical Oncology 2023

Experience:

• Liv Hospital Ulus
• Adıyaman University Training and Research Hospital
• Istanbul Umraniye Training and Research Hospital
• Istanbul Umraniye Training and Research Hospital

Research:

• Phase II, Randomized, Open-Label, Multicenter Study to Comparatively Evaluate the Efficacy and Safety of GDC-9545 and Physician-Preferred Endocrine Monotherapy in Previously Treated, Estrogen Receptor Positive, HER2-Negative, Locally Advanced or Metastatic Breast Cancer Patients, Other ( International), Dr. Murat Ayhan
• Phase III, Randomized, Evaluating the Efficacy and Safety of Palbociclib and Fulvestrant with Gdc-0077 Compared with Placebo in Patients with Pik3ca-Mutant, Hormone Receptor-Positive, HER2-Negative, Locally Advanced or Metastatic Breast Cancer. Double Blind, Placebo Controlled Study, Other (International), Dr. Murat Ayhan
• Randomized, Multicenter, Phase Ib/III Study Evaluating the Pharmacokinetics, Efficacy, and Safety of Subcutaneous Atezolizumab Compared to Intravenous Atezolizumab in Patients with Previously Treated Locally Advanced or Metastatic Non-Small Cell Lung Cancer, Other (International) Dr. Murat Ayhan
• Randomized, Controlled, Multicenter, Open-Label Study Including Observation Follow-Up for PSMA-PET-Negative Patients, Investigating the Efficacy and Safety of Addition of Apalutamide to Radiotherapy and LHRH Agonist in PSMA-PET-Positive High-Risk Hormone-Sensitive Prostate Cancer Patients, Other (International) Dr. Murat Ayhan
• Biomarker Study to Identify Patients with Advanced Stage Urothelial Cancer and Fibroblast Growth Factor Receptor Gene Aberrations-42756493BLC0002, Other (International), Dr. Murat Ayhan
• Publications:
• Ayhan M, Turan N, Köstek O, et all. Does the efficacy of regorafenib differ in chemotherapy refractory metastatic colorectal cancer patients who had mucinous pathology compared to those who had non-mucinous pathology? Curr Probl Cancer. 2021 Jun;45(3):100670. doi: 10.1016/j.currproblcancer.2020.100670.
• Ayhan M, Odabas H, Turan N, et all. Factors affecting the mortality rate of patients with cancer hospitalized with COVID-19: a single center's experience. J Chemother. 2021 Nov;33(7):499-508. doi: 10.1080/1120009X.2021.1923153.
• Ayhan M, Laçin Ş, Özyükseler DT, et all. Does systemic anti-tumor therapy increase COVID-19 risk in patients with cancer? J Oncol Pharm Pract. 2021 Sep;27(6):1461-1467. doi: 10.1177/10781552211015762.
• Ayhan M, Abamor E, Coban Kokten S, et al. Value of FDG PET/CT in Predicting Pathologic Complete Response After Neoadjuvant Chemotherapy in Locally Advanced Breast Cancer. EJMI 2022;6(2):165–175.
• Ayhan M, Terzioglu K. Experience With Rapid Drug Desensitization With Chemotherapeutics; A SingleCentre Retrospective Study. EJMI 2021;5(3):380–387.
• Doğan A, AYHAN M. Survival analysis of patients with triple-negative breast cancer: a single-center experience. Journal of Oncological Sciences, 8(2), 94-99., Doi: 10.37047/jos.2022-89749
• Terzioğlu K, Ayhan M. Comparative Assessment of Platinum Salts and Taxane Group Hypersensitivity Reactions, The Role of Skin Tests in Diagnosis? J Oncol Pharm Pract. 2021 Nov 30:10781552211050084. doi: 10.1177/10781552211050084.
• Tacar SY, Selcukbiricik F, Yilmaz M, Erturk K, Murat Sarici A, Gulturk I, Ayhan M, Tural D. Nivolumab for metastatic uveal melanoma: a multicenter, retrospective study. Melanoma Res. 2021 Oct 1;31(5):449-455. doi: 10.1097/CMR.0000000000000744.
• Özyurt E, Özçelik S, Sürmeli H, Çelik M, Ayhan M, Özçelik M. Side effects of immune-checkpoint inhibitors: Can multiple side effects be seen in a patient? J Oncol Pharm Pract. 2022 Mar;28(2):462-465. doi: 10.1177/10781552211038136.
• Dülgar Ö, Öven BB, Atcı MM, Arıkan R, Ay S, Ayhan M, Selvi O, Ozyukseler DT, Bayram E, Özcan E, Yasin Aİ, Gümüş M. Is the benefit of using adjuvant capecitabine in patients with residual triple-negative breast cancer related to pathological response to neoadjuvant chemotherapy? Expert Rev Anticancer Ther. 2022 Jul;22(7):773-780. doi: 10.1080/14737140.2022.2076670.
• Hizal M, Bilgin B, Paksoy N, Ayhan M, et all. The real-life efficacy and safety of osimertinib in pretreated advanced non-small cell lung cancer patients with T790M mutation: a Turkish Oncology Group Study. J Cancer Res Clin Oncol. 2022 Jun;148(6):1501-1508. doi: 10.1007/s00432-021-03748-7.
• Volume I, Kucukarda A, Atcı MM, Ayhan M, et all. Efficacy and safety of trastuzumab emtansine in older patients with HER2-positive advanced breast cancer: a real-world study. Tumori. 2022 Feb;108(1):19-25. doi: 10.1177/03008916211037739.
• Dogan I, Ayhan M, Gurbuz M, et all. The frequency and prognostic significance of ABO/Rh blood groups in male breast cancer patients: A multicenter study. Medicine (Baltimore). 2022 Sep 2;101(35):e30147. doi: 10.1097/MD.0000000000030147.
• Ozcelik M, Oyman A, Cil I, Duzgun O, Ozkan OF, Ayhan M. Cytoreductive Surgery versus Systemic Chemotherapy alone in Isolated Peritoneal Carcinomatosis of Colorectal Origin. J Coll Physicians Surg Pak. 2021 Nov;31(11):1308-1313. doi: 10.29271/jcpsp.2021.11.1308.
• Başoğlu T, Sakin A, Erol C, Ayhan M, et all. Real life experienceof patients with locally advanced gastric and gastroesophageal junction adenocarcinoma treated with neoadjuvant chemotherapy: a Turkish oncology group study. J Chemother. 2022 May 17:1-8. doi: 10.1080/1120009X.2022.2073159.
• Özdemir Ö, Zengel B, Yildiz Y, Ayhan M, et all. The effectiveness and safety of neoadjuvant pertuzumab and trastuzumab in women with locally advanced, inflammatory, or early-stage human epidermal growth factor receptor 2-positive breast cancer: Turkish Oncology Group study. Anticancer Drugs. 2022 Aug 1;33(7):663-670. doi: 10.1097/CAD.0000000000001310.
• Hizal M, Bilgin B, Paksoy N, Ayhan M, et all. The percentage of ALK-positive cells and the efficacy of first-line alectinib in advanced non-small cell lung cancer: is it a novel factor for stratification? (Turkish Oncology Group Study). J Cancer Res Clin Oncol. 2022 Sep 1. doi: 10.1007/s00432-022-04252-2.
• Hizal M, Bilgin B, Paksoy N, Ayhan M, et all. Real-world data on efficacy and safety of first-line alectinib treatment in advanced-stage, ALK-positive non-small-cell lung cancer patients: a Turkish Oncology Group study. Future Oncol. 2022 Jul;18(23):2573-2582. doi: 10.2217/fon-2022-0083.
• Topcu A, Atci MM, Secmeler S, Besiroglu M, Ayhan M, Ozkan M, Bozkurt O, Urakci Z, Ay S, Geredeli C, Yasin AI, Turk HM. Efficacy of trastuzumab and potential risk factors on survival in patients with HER2-positive metastatic gastric cancer. Future Oncol. 2021 Nov;17(31):4157-4169. doi: 10.2217/fon-2021-0398.
• Bilgin B, Sendur MAN, Yucel S, Ayhan M, et all. Real-life comparison of the afatinib and first-generation tyrosine kinase inhibitors in nonsmall cell lung cancer harboring EGFR exon 19 deletion: a Turk Oncology Group (TOG) study. J Cancer Res Clin Oncol. 2021 Jul;147(7):2145-2152. doi: 10.1007/s00432-020-03501-6.
• Atci MM, Akagunduz B, Demir M, Arikan R, Ay S, Ozer M, Ayhan M, Cil I, Demir N, Ozyurt N, Karakaya G, Cevik GT, Onder AH, Selvi O, Sakin A. The impact of adjuvant oxaliplatin and tumor sidedness on the overall survival of stage IIB colon cancer patients: a multicentre study. J Chemother. 2023 Feb;35(1):19-28. doi: 10.1080/1120009X.2022.2040770.
• Tataroglu Ozyukseler D, Ay S, Turan M, Alkan G, Ayhan M, Surmeli H, et al. The Systemic Inflammation Response Index as a Prognostic Marker in Advanced Pancreatic Cancer. EJMI 2022;6(3):367–373.
• Yıldız F, Ayhan M, Demir H, et all. Comparing the efficacy of cabazitaxel in secondline and third-Line treatment of metastatic castration-resistant prostate cancer: a multi-center experience from Turkey. International Journal of Contemporary Medical Research, 7(9), 112-116.,Doi: 10.21276/ijcmr.2020.7.9.30
• Terzioğlu K, Ayhan M. Distribution of allergens detected on patch tests of patients with allergic contact dermatitis and investigation of their atopic background. Annals of Medical Research, 29(5), 422-426., doi: 10.5455/annalsmedres.2021.07.490
• Arikan R, Atci MM, Ay S, Ayhan M, et all Prognostic significance of mucinous histology in left sided metastatic colorectal cancers with wild type RAS and evaluation of backbone chemotherapy regimens. Oncol Lett. 2023 Apr 5;25(5):208. doi: 10.3892/ol.2023.13795.
• Almuradova E, Yalcin S, Arıkan R, Ayhan M, Demir H, Cevik GT, Karaca M, Petekkaya I, Karabulut B. Survival of Patients With Metastatic Rectum Cancer Who Underwent Metastasectomy Following Conversion Chemotherapy Sans Pelvic Radiotherapy: A Turkish Oncology Group Study. Cureus 2023 May 17;15(5):e39119. doi: 10.7759/cureus.39119.
• Topcu A, Besiroglu M, Atci MM, Ayhan M, et all. Second-line Therapy after Trastuzumab Failure in HER2-Positive Metastatic Gastric Cancer: A Real-life Data. EJMI 2023;7(2):153–161. DOI: 10.14744/ejmi.2023.22720
• Book Writing:
• Drug interactions and side effects of targeted agents, Section name: (Small molecule tyrosine kinase inhibitors; ROS-1 targeted therapies (Crizotinib, Seritinib)) (2021)., AYHAN MURAT, Turkish Clinics Journal of Medical Sciences, Editor: Mehmet Aliustaoglu, Publishing number:1, Number of Pages 92, ISBN:978-625-401- 466-6, Turkish
• Approach to gastrointestinal stromal tumors and neuroendocrine tumors, Department name: (Medical approach in primary non-gastrointestinal neuroendocrine tumors) (2020)., AYHAN MURAT, Akademisyen Yayınevi, Editor: Anılır Ender, Number of editions: 1, Number of Pages 382, ISBN: 9786052585719, Turkish
• Internal medicine emergencies, Department name: (Oncological emergencies) (2022)., YILDIRIM SEDAT, AYHAN MURAT, Efe Academic Publishing, Editor: Serdar Olt, Number of editions: 1, Number of Pages 232, ISBN: 978-625-8324-66- 2, Turkish
• Physicians' chemotherapy cancer drug manual 2020, Section name: (Common chemotherapy regimens in clinical practice) (2022)., SÜMBÜL AHMET TANER, ALKAN ALI, AKSOY ASUDE, AYHAN MURAT, et all, Türkiye Klinikleri Journal of Medical Sciences, Editor: EDWAR CHU, VINCENT T. DEVITA, SAADDETIN KILIÇKAP, CEMIL BILIR, SELÇUK SEBER, Number of editions: 1, Number of pages 772, ISBN: 978-625-401-290- 7, Turkish (Book Translation)

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

Cumhuriyet University Faculty of Medicine, 2004
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine Residency, 2010
Karadeniz Technical University Faculty of Medicine Medical Oncology Residency, 2015

Experience

MD Andeson Cancer Center, USA, 2008
Sunnybrook Odette Cancer Center Breast Cancer Clinic, Canada, 2017
Moffit Cancer Center , USA 2022
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine, 2010
İdil State Hospital Internal Medicine Clinic, 2011
Karadeniz Technical Universityniversitesi Faculty of Medicine, Medical Oncology Clinic, 2015
Istanbul Göztepe Training and Research Hospital, Medical Oncology Clinic, 2018
Yeniyüzyıl University Gaziosmanpaşa Hospital, Medical Oncology Clinic, 2020
Ataşehir Medicana Hospital, Medical Oncology Clinic, 2022

Scientific Membership

Turkish Medical Association (TTB)
Turkish Society of Medical Oncology (TTOD)
European Society for Medical Oncology (ESMO)
American Society of Medical Oncology (ASCO)

Medical Intrests

• Breast Cancer
• Lung Cancer
• Colon Cancer
• Stomach Cancer
• Rectal Cancer
• Ovarian Cancer
• Liver Cancer
• Oesophageal Cancer - Oesophageal Cancer
• Kidney Cancer
• Larynx Cancer - Cancer of the Larynx
• Thyroid Cancer
• Head and Neck Cancers
• Gynaecological Cancers
• Pancreatic Cancer
• Oesophageal Cancer - Oesophageal Cancer
• Uterine Cancer
• Brain Cancers - Brain Tumours
• Soft Tissue Cancer - Sarcomas
• Prostate Cancer
• Bladder Cancer
• Bile Tract Cancer
• Testicular Cancer
• Cervical Cancer
• Mouth, Tongue, Lip Cancers
• Gastrointestinal System Cancers
• Bone Tumours
• Trachea and Bronchial Cancers
• Skin Cancers - Skin Cancers
• Skeletal System Tumours
• Gallbladder Cancer
• Mesothelioma

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

The doctor is a highly experienced specialist in the field of neurosurgery, with a focus on advanced surgical techniques for treating complex brain and spinal disorders. With over 15 years of clinical experience, the doctor has performed numerous successful surgeries, contributing significantly to the field through innovative approaches and patient-centered care.

Graduated from a prestigious medical school and completed rigorous residency and fellowship programs. The doctor is board-certified and has published extensively in peer-reviewed journals, sharing insights and advancements in neurosurgical procedures.

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

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.