Page 2 - Best Testicular cancer doctors in Istanbul: TOP 24 doctors

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)

Fields 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

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.

Dr. Rahib Hasanov combines international training with advanced therapies like immunotherapies and targeted treatments for urogenital cancers at Hisar Hospital Intercontinental.

• Completed Medical Oncology fellowship at Marmara University
• Trained in advanced oncology practices at Houston Methodist Hospital
• Specializes in personalized oncology treatments
• Regularly treats international patients from Europe and beyond