Experience
2022 PRIVATE MEDIPOL BAHÇELİEVLER HOSPITAL
2021 - 2021 Prof. Dr. Cemil Taşçıoğlu City Hospital, Medical Oncology Clinic Education Officer
2021 - 2021 Prof. Dr. Cemil Taşçıoğlu City Hospital
2020 - 2021 Yüzüncü Yıl University Faculty of Medicine
2020 - 2021 Head of the Department of Medical Oncology, Yüzüncü Yıl University Faculty of Medicine, Assoc. Dr.
2018 - 2021 Lecturer - Yüzüncü Yıl University Faculty of Medicine, Head of Medical Oncology Department
2018 - 2021 Yüzüncü Yıl University Faculty of Medicine
2015 - 2018 University of Health Sciences, Okmeydanı Training and Research Hospital
2015 - 2018 University of Health Sciences, Okmeydanı Training and Research Hospital, Medical Oncology Clinic, Sub-branch assistant
2012 - 2015 Kanuni Sultan Süleyman Training and Research Hospital, Internal Medicine specialist
2012 - 2015 Suleiman the Magnificent Training and Research Hospital,
2008 - 2012 Haseki Training and Research Hospital
2006 - 2008 Kızıltepe No. 3 Health Center General Practitioner.
Education
2018
İstanbul Okmeydanı Eğitim ve Araştırma Hastanesi, Tıbbı Onkoloji
2018
İstanbul Okmeydanı Eğitim ve Araştırma Hastanesi, Tıbbı Onkoloji, İstanbul Okmeydanı Eğitim ve Araştırma Hastanesi, Tıbbı Onkoloji
2012
İstanbul Haseki Eğitim ve Araştırma Hastanesi, İç Hastalıkları, İstanbul Haseki Eğitim ve Araştırma Hastanesi, İç Hastalıkları
2012
İstanbul Haseki Eğitim ve Araştırma Hastanesi, İç Hastalıkları
2007
Uludağ Üniversitesi Tıip Fakültesi, Tıip Fakültesi, Uludağ Üniversitesi Tıip Fakültesi, Tıip Fakültesi
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)
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.
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
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
Specializations
Oncological Surgery (Cancer Surgery)
Breast Diseases Surgery
Gallbladder and biliary tract diseases surgery
Thyroid – Parathyroid Surgery
Inguinal and Abdominal Wall Hernia, Stomach Hernia Surgery
Closed (Laparoscopic) Hernia Surgery
Endoscopy Applications
Treatment of Gastrointestinal System Diseases
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Personal Information
Sex: Male
Born : 1968
Professional Experience
Gayrettepe Florence Nigthingale Hospital
Medical Oncology Department
Besiktas/Istanbul/Turkey (ongoing)
Education:
He became Professor (22/April /2016)
Medical Oncology
Attending Phys.in Gastrointestinal Oncology (January 2005 ,2009)
Istanbul University Oncology Institue,
Department of Medical Oncology
Medical Oncology Fellowship (December 2001-December2004)
Istanbul University, Istanbul Medical Faculty
Hemodialysis Traning (May1996-January1997)
Istanbul University ,bCerrahpasa Medical Faculty
Internal Medicine Residency (November 1991-November 1996)
Istanbul University ,bCerrahpasa Medical Faculty
Ege University Medical Faculty (1985-1991)
Professional Experience
February 1999-November 2001
Metropolitan Florence Nigthingale Hospital
American Cancer Center, Gayrettepe/İstanbul
April1997- October 1998
Bayraktar Dialysis Center
Güngören/ Istanbul
Membership
Turkish Medical Oncology Association
ENET(European Neuroendocrine Tumour Society)
ESMO
ASCO
Personal information
Title: Professor Doctor
Branch: Radiation Oncology
Work History:
1 GATA Military Medical Faculty
2 Gayrettepe Florence Nightingale Hospital
3 T.R. Demiroğlu Bilim University \ Associate Professor
4 T.R Demiroğlu Bilim University \ Professor
Medical Specialties and Subspecialties:
1 Head and Neck Cancers
2 Radiation Oncology
Priority treatments:
1 Prostate cancer
2 Conformal treatments
Special advanced health technologies:
1 Truebeam Stx Technology
2 Halcyons
Education
1991 - Istanbul University Istanbul Faculty of Medicine
1996 - Istanbul University Cerrahpaşa Faculty of Medicine Radiation
Oncology Specialization Training