Assoc. Prof. Gorkem Turkkan started his medical education at Gülhane Military Medical Academy in 2003 and completed it at Zonguldak Karaelmas (Bülent Ecevit) University Faculty of Medicine in 2009. He completed his specialization at Trakya University Faculty of Medicine, Department of Radiation Oncology and became a radiation oncology specialist in 2016.
After completing his compulsory service, he served as a Lecturer and Head of Department at Muğla Sıtkı Koçman University Faculty of Medicine, Department of Radiation Oncology, from May 2019 to February 2021. Meanwhile, between March and June 2020, he worked as a clinical researcher at Maastricht University Faculty of Medicine Department of Radiation Oncology – MAASTRO Clinic (Netherlands) on stereotactic radiotherapy, thoracic radiotherapy-related lung toxicity and proton therapy. While he was working at İstinye University Faculty of Medicine, Department of Radiation Oncology and Liv Hospital Ulus Radiation Oncology Clinic between March 2021 and April 2023, he received the title of Associate Professor in February 2023. She has been serving her patients at Hisar Hospital Intercontinental since May 2023.
He has performed both traditional radiotherapy and advanced radiotherapy throughout his career. He is one of the experienced physicians in our country in stereotactic radiotherapy and MRI-guided radiotherapy treatments, which have become increasingly popular and used especially recently. So far, he has successfully completed more than 2500 radiotherapy sessions with the MR-Linac device.
He has been a member of the Turkish Society of Radiation Oncology (TROD) since 2013 and the European Society of Radiotherapy and Oncology (ESTRO) since 2015. He has 27 articles published in domestic and international journals, 31 oral-poster presentations presented at national and international congresses, and 5 book chapters published by national and international publishing houses. He taught Term I and Term V undergraduate courses at Muğla Sıtkı Koçman University Faculty of Medicine, postgraduate courses within the scope of Ear Nose and Throat Department Specialization training, and Radiotherapy associate degree courses at İstinye University Vocational School of Health Services. She is currently working on 2 ongoing TÜBİTAK Projects. He is married and has a son.
MEDICAL INTERESTS
MR-Linac
Linac
Stereotactic (Pinpoint) Radiotherapy
Prostate Cancers
Breast Cancers
Lung Cancers
Rectum Cancers
Brain and Spinal Cord Cancers
Head and Neck Cancers
Volumetric Arc Therapy (VMAT)
Intensity Modulated Radiotherapy (IMRT)
Read moreDoctor's visit | price on request |
Оophorectomy | $2500 - $3000 |
Radiotherapy | $8000 - $12000 |
Transnasal resection of tumor |
Doctor's visit | price on request |
Radioiodine therapy | $2500 - $4500 |
Radiofrequency ablation | |
Resection of glioma | $10000 - $15000 |
Doctor's visit | price on request |
Radioiodine therapy | $2500 - $4500 |
Radiofrequency ablation | |
Resection of glioma | $10000 - $15000 |
Doctor's visit | price on request |
Radioiodine therapy | $2500 - $4500 |
Radiofrequency ablation | |
Resection of glioma | $10000 - $15000 |
2021 - Currently, İstanbul
ASSOCIATE PROFESSOR
ASSOCIATE PROFESSOR
2009 - 2012, İstanbul / Turkey
T.R. ISTANBUL SCIENCE UNIVERSITY EUROPEAN FLORENCE NIGHTINGALE HOSPITAL
Minor Specialization Training
2003 - 2008, İstanbul / Turkey
ŞİŞLİ HAMİDİYE ETFAL EDUCATION AND RESEARCH HOSPITAL
Assistant Physician
1990 - 1996, Ankara / Turkey
GAZİ UNIVERSITY FACULTY OF MEDICINE
Medical Doctor Training
Read moreDoctor's visit | price on request |
Brachytherapy | $4800 |
Radioiodine therapy | $2500 |
Transurethral resection of the prostate (TURP) | $10000 |
Doctor's visit | price on request |
Mastectomy | $800 - $1000 |
Robotic da Vinci prostatectomy |
Read more
Doctor's visit | price on request |
Brachytherapy | $4800 |
Radioiodine therapy | $2500 |
Transurethral resection of the prostate (TURP) | $10000 |
2019 - Present, Istanbul/Istanbul/Türkiye
MEMORIAL SISLI HOSPITAL
Interventional Radiology-Interventional Oncology Specialist
2015 - 2019, Istanbul/Istanbul/Türkiye
SCIENCE UNIVERSITY&FLORENCE NIGHTINGHALE HOSPITALS GROUP
Interventional Radiology-Interventional Oncology Specialist
2009 - 2015, Istanbul/Istanbul/Türkiye
ACIBADEM HEALTH GROUP
Interventional Radiology Manager
2002 - 2009, Istanbul/Istanbul/Türkiye
GERMAN HOSPITAL
Interventional Radiology Manager
2001 - 2002, Istanbul/Istanbul/Türkiye
AMERICAN HOSPITAL
Interventional Radiology Manager
1998 - 2001, Istanbul/Istanbul/Türkiye
ISTANBUL SURGICAL HOSPITAL
Radiology and Interventional Radiology Specialist
Read moreDoctor's visit | price on request |
Brachytherapy | $4800 |
Radioiodine therapy | $2500 |
Transurethral resection of the prostate (TURP) | $10000 |
2018 - Present, Istanbul/Istanbul/Türkiye
MEMORIAL BAHCELIEVLER HOSPITAL
Medical Oncology Specialist
2018 - 2018, Istanbul/Istanbul/Türkiye
ISTANBUL AYDIN UNIVERSITY MEDICAL PARK FLORYA HOSPITAL
Medical Oncology Specialist
2015 - 2018, Istanbul/Istanbul/Türkiye
HASEKİ TRAINING AND RESEARCH HOSPITAL
Medical Oncology Specialist
2011 - 2014, Istanbul/Istanbul/Türkiye
ISTANBUL SCIENCE UNIVERSITY INTERNAL MEDICINE DEPARTMENT
Medical Oncology Assistant
2011 - 2011, Istanbul/Istanbul/Türkiye
KANUNİ SULTAN TRAINING AND RESEARCH HOSPITAL
Internal Medicine Specialist
2006 - 2011, Istanbul/Istanbul/Türkiye
ISTANBUL TRAINING AND RESEARCH HOSPITAL
Internal Medicine Assistant
2004 - 2005, Istanbul/Istanbul/Türkiye
ISTANBUL UNIVERSITY CERRAHPAŞA MEDICAL FACULTY BIOCHEMISTRY UNITED STATES
Research Assistant
2003 - 2004, Karabuk/Karabuk/Türkiye
KARABUK PROVINCE SAFRANBOLU NO. 3 HEALTH CENTER
General Practitioner
Read moreDoctor's visit | price on request |
Prostatectomy | $10000 - $15000 |
Transnasal resection of tumor | $15000 - $18000 |
Immunotherapy with (Pembolizumab) | $12760 |
2018 - Present, Istanbul/Istanbul/Türkiye
MEMORIAL BAHCELIEVLER HOSPITAL
Radiation Oncology Specialist
1986 - Present, Istanbul/Istanbul/Türkiye
ISTANBUL UNIVERSITY CERRAHPAŞA MEDICAL FACULTY
Radiation Oncology Specialist
2015 - 2018, Istanbul/Istanbul/Türkiye
MEMORIAL SISLI HOSPITAL
Radiation Oncology Specialist
Read moreDoctor's visit | price on request |
Prostatectomy | $10000 - $15000 |
Transnasal resection of tumor | $15000 - $18000 |
Immunotherapy with (Pembolizumab) | $12760 |
2022 - Present, Istanbul/Türkiye
MEMORIAL BAHCELIEVLER HOSPITAL
Internal Medicine and Medical Oncology Specialist
2021 - 2022, Istanbul/Türkiye
MEDICAL PARK BAHÇELİEVLER HOSPITAL
Internal Medicine and Medical Oncology Specialist
2017 - 2021, Istanbul/Türkiye
ISTANBUL NEW CENTURY UNIVERSITY GAZİOSMANPAŞA HOSPITAL
Internal Medicine and Medical Oncology Specialist
2013 - 2017, Van/Türkiye
VAN YUZUNCUYIL UNIVERSITY FACULTY OF MEDICINE
Internal Medicine and Medical Oncology Specialist
2011 - 2013, Van / Türkiye
VAN TRAINING AND RESEARCH HOSPITAL
Internal Medicine and Medical Oncology Specialist
2004 - 2007, Agri / Türkiye
AĞRI PATNOS STATE HOSPITAL
Internal Medicine Specialist
Read moreDoctor's visit | price on request |
Prostatectomy | $10000 - $15000 |
Transnasal resection of tumor | $15000 - $18000 |
Immunotherapy with (Pembolizumab) | $12760 |
2018 - Present, Istanbul/Istanbul/Türkiye
MEMORIAL BAHCELIEVLER HOSPITAL
Radiation Oncology Specialist
2016 - 2018, Istanbul/Istanbul/Türkiye
ISTANBUL UNIVERSITY CERRAHPAŞA MEDICAL FACULTY
Radiation Oncology Specialist
Read moreDoctor's visit | price on request |
Prostatectomy | $10000 - $15000 |
Transnasal resection of tumor | $15000 - $18000 |
Immunotherapy with (Pembolizumab) | $12760 |
EXPERIENCE*
2019 - Present, Istanbul/Istanbul/Turkey
MEMORIAL ATAŞEHİR HOSPITAL
General Surgeon
2012 - 2019, Diyarbakır/Diyarbakır/Turkey
DİCLE UNIVERSITY FACULTY OF MEDICINE
General Surgeon
2011 - 2012, Van/Van/Turkey
VAN REGIONAL TRAINING AND RESEARCH HOSPITAL
General Surgeon
2009 - 2011, Van/Van/Turkey
HAKKARİ STATE HOSPITAL
General Surgeon
2004 - 2009, Van/Van/Turkey
YÜZÜNCÜYIL UNIVERSITY FACULTY OF MEDICINE
General Surgeon
2002 - 2004, Van/Van/Turkey
HACIBEKİR HEALTH CENTER
General Practitioner
*EDUCATION*
2018 - 2019, Diyarbakır/Turkey
Associate Professor
2015, Ohio/USA
OHIO STATE UNIVERSITY WEXNER MEDICAL CENTER
Neck Dissection Training
2012 - 2018, Diyarbakır/Turkey
Assistant Professor
1996 - 2002, Adana/Turkey
ÇUKUROVA UNIVERSITY
FACULTY OF MEDICINE - Medical Doctor Education
Read moreDoctor's visit | price on request |
Radioiodine therapy | $2500 - $4500 |
Radiofrequency ablation | |
Resection of glioma | $10000 - $15000 |
Born in Trabzon in 1972, Dr. İzzettin Kahraman began his medical studies at Karadeniz Technical University Faculty of Medicine in 1989 and earned his Medical Doctor degree in 1995. Following two years as a general practitioner, he embarked on his specialization training in 1997. He completed his residency at Ankara Oncology Training and Research Hospital, becoming a General Surgery Specialist in 2002.
Dr. Kahraman worked as a General Surgery Specialist in public hospitals, including Trabzon Numune Hospital and Bakırköy Dr. Sadi Konuk Training and Research Hospital, for 13 years. From 2016 to 2018, he served as a Lecturer at University of Health Sciences. In 2019, he transitioned to the private sector, continuing his career in private hospitals.
Throughout his career, Dr. Kahraman has engaged in a wide range of training programs both in Turkey and abroad. In 2007, he earned a Surgical Endoscopy Certificate and furthered his expertise in laparoscopic hernia treatments in Hamburg, Germany, in 2008. He also completed a course on Nutrition Practices and Training at Ondokuz Mayis University and a specialized course in laparoscopic hernia repair in Istanbul in 2010.
In 2011, after completing the "Emergency Surgery" course in Istanbul organized by the European Society for Trauma and Emergency Surgery (ESTES), Dr. Kahraman received training in SILS (Single Incision Laparoscopic Surgery) Cholecystectomy at Gazi University in Ankara. Since then, he has specialized in advanced laparoscopic techniques, with a particular focus on endoscopy, gastric diseases, obesity, and metabolic surgery.
In 2021, Dr. Kahraman obtained certificates in Ozone Therapy and Mesotherapy from Medipol University.
Since 2023, he has been serving at Estexper Clinic, Istanbul.
Read more
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
Career
Education
Experience
Medical Fields of Interest:
Hemostasis-Thrombosis
Anemia
Education:
Cerrahpasa Faculty Of Medicine Pediatric Hematology Department
Marmara University Faculty of Medicine, Child Health and Diseases Department
Besiktas Ataturk Anatolian High School
Experience:
Liv Hospital Ulus
Kanuni Sultan Suleyman Training And Research Hospital
Cerrahpasa Medical Faculty Hospital
Austria St George Hospital
Marmara University Faculty of Medicine Hospital
Memberships:
Turkish Society of Pediatric Hematology
Turkish Society of Hematology
Turkish Pediatric Association
Istanbul Febrile Neutropenia Group
European Association of Hematology (EHA)
American Association of Hematology (ASH)
International Hemostasis Thrombosis Association (ISTH)
Read moreMedical 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.
Laparoscopic 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
Liv Hospital
Memberships
Turkish Society of Surgery
National Endoscopic Laparoscopic Surgery Association
Turkish Colon and Rectum Surgery Association
National Trauma and Emergency Surgery Association
Hepato-Pancreato-Bilier Surgery Association
Istanbul Surgical Association
Flebology Association
ESTES (European Society of Trauma and Emergency Surgery)
International Society of Surgery (ISS)
Read moreMedical Field of Special Interest and Activities
Molecular Scanning
Nuclear Oncology
Radionuclide Treatments
Education and Experience
2018- Private LIV Hospital Ulus
2015-2018 İstanbul Bilim University, Şişli Florence Nightingale Hospital
2006-2015 Mersin University Master of Science in Nuclear Medicine
2005-2006 Ankara Özel Denge Medical Centre
2004 Hacettepe University Medical Faculty
Specialization Training: 2000-2004 Hacettepe University Master of Science in Nuclear Medicine
Undergraduate: 1993-1999 Hacettepe University Medical Faculty
Memberships
Journal of Musculoskeletal Pain
Turkish Journal of Clinical Sciences
Molecular Imaging and Radionuclide Therapy
Turkish Clinics Journal of Case Reports
Journal of Clinical and Experimental Investigations
Journal of Clinical and Analytical Medicine
Acıbadem University Health Sciences Magazine
Turkey Nuclear Medicine Association
Read more