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 |
Prostatectomy | $5000 - $11200 |
Doctor's visit | price on request |
HIFU for prostate cancer treatment | $8500 |
Prostatectomy | $8500 - $13500 |
Proton-beam therapy |
Education and Expertise
Selcuk University Meram Faculty of Medicine - Medical Education
Dr.Abdurrahman Yurtaslan Anakara Oncology Training and Research Hospital Medical Oncology Specialization
Experience
Malatya State Hospital Internal Diseases Clinic
Ankara Oncology Hospital Medical Oncology Clinic
Erzurum Regional Training and Research Hospital Medical Oncology Clinic
AREAS OF INTEREST
Lung cancer
esophageal cancer
Gastric cancer
breast cancer
Gastrointestinal surgery
https://scholar.google.com.tr/citations?user=EDuylhoAAAAJ&hl=tr
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
Read moreFields of Study and Interests
Breast Cancer
Lung Cancer
Colon Cancer
Stomach Cancer
Rectum Cancer
Ovarian Cancer
Uterine Cancer
Liver Cancer
Esophageal Cancer - Esophagus Cancer
Kidney Cancer
Larynx Cancer - Throat Cancer
Thyroid Cancer
Head and Neck Cancers
Gynecological Cancers
Pancreatic Cancer
Esophageal Cancer - Esophagus Cancer
Uterine Cancer
Brain Cancers - Brain Tumors
Soft Tissue Cancer - Sarcomas
Prostate Cancer
Bladder Cancer
Bile Duct Cancer
Testicular Cancer
Cervical Cancer
Mouth, Tongue, Lip Cancers
Gastrointestinal System Cancers
Bone Tumors
Trachea and Bronchial Cancers
Skin Cancers - Skin Cancers
Skeletal System Tumors
Gallbladder Cancer
Mesothelioma
Education
Cumhuriyet University Faculty of Medicine, 2004
Istanbul Haydarpaşa Education and Research Hospital Internal Medicine Specialist, 2010
Karadeniz Technical University Faculty of Medicine Medical Oncology Specialist, 2015
Career
MD Andeson Cancer Center, USA, 2008
Sunnybrook Odette Cancer Center Breast Cancer Clinic, Canada, 2017
Moffit Cancer Center, USA 2022
Istanbul Haydarpaşa Education and Research Hospital Internal Medicine, 2010
İdil State Hospital Internal Medicine Clinic, 2011
Karadeniz Technical University Faculty of Medicine Medical Oncology Clinic, 2015
Istanbul Göztepe Education and Research Hospital Medical Oncology Clinic, 2018
Yeniyüzyıl University Gaziosmanpaşa Hospital Medical Oncology Clinic, 2020
Ataşehir Medicana Hospital, Medical Oncology Clinic, 2022
Read moreAREAS OF INTEREST
Education and Specialization
Experience
Professional Memberships
Turkish Society of Medical Oncology
Education and Training:
Areas of Expertise:
Achievements and Awards:
Education
Experience
Education
Career
Doctor's visit | price on request |
Chemotherapy for prostate cancer | $1000 - $3000 |
Prostatectomy | $7300 - $16000 |
PROFESSIONAL EXPERIENCE
2011-2012
Erzurum Koprukoyu State Hospital
Department: General Medicine
2012-2017
Istanbul University Cerrahpaşa Medical Faculty
Department: Internal Medicine
06/2017-10/2017
Istanbul Gaziosmanpasa Taksim Training and Research Hospital
Department: Internal Medicine
10/2017-11/2018
Istanbul University Istanbul Medical Faculty
Department: Allergy and Immunology Fellowship
2018/2022
Istanbul University Oncology Institute
Department: Medical Oncology Fellowship
2022-2023
Tekirdag City Hospital
Department: Medical Oncology Specialist
2023-present
Istanbul Medipol University Medipol Bahcelievler Private Hospital
Department: Medical Oncology Assoc. Prof.
EDUCATION
2005-2011
Medical Education
Sivas Cumhuriyet University Medical Faculty, Sivas, Turkey
2012-2017
Internal Medicine
Istanbul University Cerrahpaşa Medical Faculty, Department of Internal Medicine, Istanbul, Turkey
2017-2018
Allergy-Immunology Fellowship
Istanbul University Istanbul Medical Faculty
Department of Internal Medicine, Division of Allergy and Immunology, Istanbul, Turkey
2018-2022
Medical Oncology Fellowship
Istanbul University Oncology Institute, Department of Medical Oncology, Istanbul, Turkey
2022
ESMO Board Certification in Medical Oncology
10th September 2022 in Paris, France.
2023
Medical Oncology Assoc. Prof.
Istanbul Medipol University Department of Medical Oncology, Istanbul, Turkey
INTERNATIONAL CLINICAL TRIALS:
1. Astefania - ROCHE
2. PFİZER
3. RECITE - AMGEN
4. NAVIGATE - BAYER
5. RUBY - Tesaro (PRA)
6. ENGOT-ov43/GOG-3036 - MSD
7. ASTRA ZENECA
8. ROSY-O - ASTRA ZENECA
INTERNATIONAL PUBLICATIONS
I. Published journal articles indexed by SCI, SSCI, and AHCI
Weekly Paclitaxel in Classic Kaposi Sarcoma
Carboplatin Desensitization in Ovarian Carcinoma
High-Dose Chemotherapy for Ewing’s Sarcoma
Multidrug Refractory TFE3(+) Renal Cell Carcinoma
Crizotinib Efficacy in NSCLC with MET Alterations
Clinicopathological Features in ALK Mutant NSCLC
PSMA-Based Tumor Burden in Prostate Cancer
Atezolizumab in Metastatic Urothelial Carcinoma
Pulmonary Sarcomatoid Carcinoma
Prognostic Factors in Atezolizumab-Treated Urothelial Carcinoma
Atezolizumab with Chemotherapy in Small Cell Lung Cancer
FOLFIRINOX vs. Gemcitabine + Nab-Paclitaxel in Pancreatic Cancer
Trastuzumab Emtansine in Older HER2-Positive Breast Cancer Patients
Real-Life Efficacy of Osimertinib in Advanced NSCLC
ALK-Positive Cells Percentage and Alectinib Efficacy
Real-World Data on Alectinib in ALK-Positive NSCLC
Prognostic Factors in Metastatic RCC with T790M Mutation
FLOT Regimen in Metastatic Gastric Cancer
Desensitization Protocol in Lenalidomide Hypersensitivity Reactions
Factors Associated with Diagnostic Skin Test Positivity in PPI Hypersensitivity
Efficacy of Capecitabine and Temozolomide in Neuroendocrine Tumors
Subsequent Treatments in Hormone-Positive Breast Cancer Progression
Termination of Trastuzumab in HER2-Positive Metastatic Breast Cancer
Long-term Outcomes and Predictors of Recurrence in Node-Negative Early Stage Breast Cancer
Prognostic Factors Influencing PFS in HER2-Positive Metastatic Breast Cancer
Treatment Efficacy of Ribociclib or Palbociclib plus Letrozole in Metastatic Breast Cancer
Efficacy and Safety of Sorafenib in Adult Metastatic Osteosarcoma Patients
Single-Agent Temozolomide as Salvage Therapy in Heavily Pretreated Metastatic Sarcoma Patients
Outcomes and Prognostic Factors in Metastatic Renal Cell Carcinoma with Brain Metastases
FLOT Regimen in First-Line Treatment of Metastatic Gastric Cancer
Prognostic Factors of Perioperative FLOT Regimen in Operable Gastric Cancer
Efficacy and Outcomes of Systemic Chemotherapy in Posttransplant Kaposi Sarcoma
Comparison of Second-Line Treatments in Metastatic Renal Cell Carcinoma
Toxicity Management and Effectiveness of Regorafenib in Advance GIST Patients: A Real-world Study - Authors: Paksoy, N., Ferhatoğlu, F., Doğan, İ., Khanmammadov, N., Bozbey, H. U., Karabulut, S., & Taştekin, D. - Journal: TURKISH JOURNAL OF ONCOLOGY, 1(1)
Demographic and Clinical Features and Factors Associated with Survival in Patients with Primary Glomerulonephritis: Single Tertiary Center Experience - Authors: Paksoy, N., Trabulus, S., Seyahi, N., & Altiparmak, M. R. - Journal: Namik Kemal Tip Dergisi, 11(1)
Efficacy of Sorafenib in Symptomatic Patients with Pretreated Progressive Desmoid Tumors - Authors: Paksoy, N., Ferhatoglu, F., Dogan, I., Ak, N., Pehlivan, M., Ekenel, M., & Basaran, M.
Nodal Response to Neoadjuvant Chemotherapy is a Better Predictive Factor of Survival Than Miller-Payne Scoring in Breast Cancer - Authors: Ak, Naziye, et al. - Journal: Journal of Oncological Sciences, 7.2: 42-49
Evaluation of Prognostic and Predictive Values of Hemogram Parameters in Patients with Advanced Stage Ovarian Carcinoma - Authors: Ak, Naziye, et al. - Journal: Turkish Journal of Oncology/Türk Onkoloji Dergisi, 2021, 36.4
Identifying Risk Factors Associated with Survival and Drug-Related Toxicities in Imatinib-Resistant Gastrointestinal Stromal Tumor (GIST) Patients Treated with Sunitinib - Authors: Ferhatoglu, F., Karabulut, S., Paksoy, N., & Tastekin, D.
Real-life Outcomes of ROS1 Fusion-positive Metastatic Lung Cancer Patients who were Treated with Crizotinib - Authors: Dogan, İ., Khanmammadov, N., Paksoy, N., Ferhatoglu, F., Aydın, E., Vatansever, S., & Aydine, A. - Journal: TURK ONKOLOJI DERGISI-TURKISH JOURNAL OF ONCOLOGY
Predictors of the acquisition of T790M mutation in EGFR-mutant metastatic lung cancer patients who were treated with EGFR inhibitors - Authors: Dogan, I., Khanmammadov, N., Paksoy, N., Vatansever, S., Saip, P., & Aydıner, A. - Journal: Eurasian Journal of Pulmonology
Laterality of Adrenal Gland Metastasis in Lung Cancer: Results of a Comparative Study - Authors: Ferhatoglu, F., Gagatay, T., Okumus, G., Aydiner, A., Paksoy, N., Ak, N., ... & Saip, P. - Journal: Eurasian Journal of Medical Investigation, 7(2)
Poor Risk Factors Affecting Cancer Patients Infected with Covid-19: A Retrospective Comparative Study from a Pandemic Hospital - Authors: Ferhatoglu, F., Kapağan, T., Paksoy, N., Ak, N., Medetalibeyoğlu, A., Şenkal, N., ... & Vatansever, S. - Journal: Turk Onkoloji Dergisi, 38(1)
Systemic Treatment Outcomes of Progressive Medullary Thyroid Carcinoma from the Registries of a Tertiary Cancer Center - Authors: Ferhatoglu, F., Paksoy, N., & Başaran, M. - Journal: Namik Kemal Tip Dergisi, 10(4)
Evaluation of clinical features and risk factors related to late recurrence (> 5 years) in patients with breast cancer - Authors: Ferhatoglu, F., Aydiner, A., & Paksoy, N. - Journal: Journal of Surgery & Medicine (JOSAM), 6(12)
Assessing the Clinical Impact of Lutetium-177 DOTATATE Peptide Receptor Radionuclide Therapy (PRRT) on Metastatic Neuroendocrine Tumors: A Multicenter Real-World Data from Türkiye
Thesis:
Istanbul University Cerrahpaşa Medical Faculty, Internal Medicine Department PAKSOY, Nail. Demographical, clinical characteristics and survival factors in patients withprimary glomerulonephritis: Cerrahpasa Medical Faculty Experience. (2016)
International Refereed Congress / Symposium Publications in Proceedings (ASCO/ESMO Abstracts)
Prognostic factors influencing progression-free survival in HER2 positive metastatic breast cancer patients who treated with lapatinib and capecitabine combination
Efficacy of regorafenib and 5-fluorouracil-based rechallenge treatment in the third-line treatment of metastatic colorectal cancer: A Turkish oncology group study
Long-term outcomes and predictors of recurrence in patients with early-stage node-negative breast cancer
Efficacy of temozolomide in pretreated patients with metastatic sarcoma
Efficacy of sorafenib in symptomatic patients with pretreated progressive desmoid tumors
Efficacy of sorafenib in heavily pretreated adult patients with metastatic osteosarcoma
Outcomes and prognostic factors in metastatic renal cell carcinoma patients with brain metastases
Association of response to first-line chemotherapy with the efficacy of atezolizumab in patients with metastatic urothelial carcinoma
Safety and survival in adult women with platinum-sensitive relapsed BRCA mutant ovarian cancer: A study of patients in Olaparib Turkey Early Access Program—LynTurk study
Atezolizumab in patients with metastatic urothelial carcinoma who have progressed after first-line chemotherapy: Results of real-life experiences
Read more
Doctor's visit | price on request |
Radiotherapy for prostate cancer | $4000 - $6000 |
Prostatectomy | $4000 - $5000 |
Transurethral resection of the prostate (TURP) | $4000 |
Doctor's visit | price on request |
Chemotherapy for prostate cancer | $1000 - $3000 |
Prostatectomy | $7300 - $16000 |
Doctor's visit | price on request |
Radiotherapy for prostate cancer | $2000 - $4500 |
Experienced medical oncology specialist with 11 years of experience, having worked in various medical facilities including Pamukkale University Faculty of Medicine, Hakkari State Hospital, Dr. Lütfi Kırdar Kartal Training and Research Hospital and Edirne Sultan Murat I State Hospital. Member of the Turkish Medical Oncology Association, European Society of Medical Oncology, American Society of Clinical Oncology, Immuno-Oncology Association and Turkish Medical Association.
Read moreDoctor's visit | price on request |
Radiotherapy for prostate cancer | $2000 - $4500 |
Doctor's visit | price on request |
Radiotherapy for prostate cancer | $2000 - $4500 |
Dr. X has a Bachelor of Medicine from Ankara (1976), Specialization in Internal Medicine from Ankara (1981), and a Minor Specialization in Medical Oncology from Istanbul (1987). He has held various positions in Oncology and Internal Medicine since 1986, and is a Founding Member and active member of various oncology associations and scientific organizations such as the Turkish Oncology Association, Medical Oncology Association, Chemotherapy Association, European Society for Medical Oncology, American Society of Clinical Oncology, and European Association for Clinical Cancer Research.
Read moreDoctor's visit | price on request |
Radiotherapy for prostate cancer | $2000 - $4500 |