PET-CT with Gallium 68 (DOTA) Doctors Abroad — Page 3

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.

Dr. Siar Dursun is a pediatric neurologist at Medipol University Pendik Hospital in Istanbul. He specializes in treating complex neurological conditions in children, including epilepsy and cerebral palsy. Dr. Dursun completed his medical training at Adnan Menderes University and Izmir Research Hospital. He works at a university-affiliated center that serves 350,000 patients annually.

• Treats neurodegenerative diseases, West syndrome, and spinal muscular atrophy.
• Performs pediatric check-ups and diagnostic video-EEG monitoring for epilepsy.
• Provides medication management for autism and Parkinson’s disease.
• Practices at a hospital with 21 dedicated newborn intensive care units.

Dr. Nir Kleinmann, MD, directs the Endourology and Kidney Stones Unit at Sheba Medical Center. He is an expert in minimally invasive urology and urologic oncology. His focus is the kidney and upper urinary tract. He was named among Israel’s Best Doctors for 2025–2026 by Forbes and ResultMed.

He is a pioneer of kidney‑sparing laser surgery. He uses a dual‑laser system with neodymium and holmium for complex tumors. His expertise includes UTUC, kidney and prostate cancer, kidney stones, and BPH.

His research includes the OLYMPUS trial on chemoablation for UTUC. He has more than 60 publications.

He is an Israeli board‑certified urologist. He is a Fellow of the American Endourology Society and a member of the Israeli Urological Association and the EAU. He completed fellowships in Endourology and Minimally Invasive Surgery at Thomas Jefferson University. He also completed a fellowship in Kidney Cancer Research at McMaster University.

Professor Jair Bar, MD, PhD, is a thoracic oncologist and Deputy Director of the Cancer Center at Sheba Medical Center. He leads the Thoracic Oncology Unit. He treats lung cancer, including advanced non-small cell cases. His care includes medical oncology, radiotherapy, immunotherapy, and targeted therapy.

He runs a translational research lab focused on resistance to immunotherapy. He has published on exhaled-breath cancer metabolism and on angiogenesis inhibition in lung cancer.

He has chaired the Israel Lung Cancer Group since 2003. He is a member of the Israel Society of Clinical Oncology and Radiotherapy, the American Society of Clinical Oncology, and the American Association for Cancer Research. He is board-certified in Medical Oncology and Radiotherapy Oncology. He is a Senior Lecturer at Tel Aviv University.

Prof. Elad Jacoby, MD, heads the Pediatric Cell Therapy Center at Sheba Medical Center. He is the Medical Director of the Advanced Biotherapy Center. He is a pioneer of pediatric CAR T‑cell therapy in Israel. He led one of the first national leukemia programs. He has almost 20 years of clinical and research experience.

He specializes in CAR T‑cell therapy, bone marrow and stem cell transplantation, and high‑risk pediatric leukemias and lymphomas. He leads international clinical trials and has authored over 240 publications. His collaborations include Johns Hopkins Hospital and the U.S. National Cancer Institute. He is an Associate Professor at Tel Aviv University. He received his MD from Tel Aviv University, completed residency at Sheba Medical Center, and fellowships at Johns Hopkins and the National Cancer Institute. He is board‑certified in Pediatrics and in Pediatric Hematology and Oncology. He serves on the IBFM CAR T‑Cell Taskforce and the Sheba Institutional Review Board. He leads the integration of CAR T‑cell therapy with transplantation.

Dr. Melahat Bekir Kulah is a pulmonologist at Medipol University Pendik Hospital in Istanbul. She specializes in treating asthma, pneumonia, and chronic obstructive pulmonary disease (COPD). Dr. Kulah won a Poster Award from the Turkish Thoracic Society for her research. Her work focused on the quality of life for patients with bronchiectasis. Dr. Kulah practices at a hospital that serves 350,000 patients annually.

• Expert in bronchiectasis, scoliosis-related lung function, and COPD exacerbations.
• Authored nearly 20 publications in international and national medical journals.
• Presents research at major global conferences like ATS and ERS.
• Uses ultrasound to evaluate diaphragm thickness and respiratory health.

Dr. Caglayan Altinbas is a physician at Medipol University Pendik Hospital in Istanbul. He specializes in rehabilitation for complex spinal cord injuries and pediatric cerebral palsy. Dr. Altinbas earned his medical degree from Marmara University and completed residency at Bezmialem Vakif University. He holds a certificate in Physical Medicine and Rehabilitation.

• Expertise includes orthopedic recovery and pediatric physical therapy programs.
• Treats patients at a clinic scoring 95.4 out of 96.4 for quality standards.
• Performs specialized rehabilitation for children with motor disabilities.
• Practices at a university-affiliated center serving 350,000 patients annually.

Dr. Mehmet Soyarslan is an orthopedic surgeon at Medipol University Pendik Hospital in Istanbul. He specializes in robotic knee surgery and complex joint reconstruction. Dr. Soyarslan is a member of the Robotic Knee Surgery Association. He also serves the Turkish Orthopedics and Traumatology Association.

• Performs MAKOplasty total hip replacement and arthroscopic meniscectomy.
• Treats pediatric orthopedic conditions, including developmental hip dysplasia and scoliosis.
• Presented shoulder arthroscopy research at SICOT and SECEC–ESSE international congresses.
• Completed specialized cadaver training in advanced knee and ankle surgical techniques.

Dr. Cevdet Gokcek is a neurosurgeon at Medipol University Pendik Hospital in Istanbul. He specializes in brain, spine, and pediatric nerve conditions. He has treated thousands of patients for complex disorders. Dr. Gokcek is a member of the Turkish Neurosurgical Society. He previously completed a microsurgery course at Hacettepe University.

• Achieved a 95% success rate for severe brain and spine surgeries.
• Performs transnasal pituitary tumor removals and endoscopic skull base procedures.
• Authored 17 articles published in national and international medical journals.
• Completed a neuro-endoscopy workshop at Ghent University in Belgium.

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. Yilmaz Yozgat is a pediatric cardiologist at Medipol University Pendik Hospital in Istanbul. He specializes in treating children with complex heart conditions and vascular diseases. Dr. Yozgat trained at the prestigious Gülhane Military Medical Academy. He manages cases of hypertension, arrhythmia, and dilated cardiomyopathy in young patients.

• Expertise includes pulmonary hypertension and coronary artery disease in children.
• Performs diagnostic heart check-ups, exercise tests, and carotid artery ultrasounds.
• Former faculty member at Bezmialem Foundation University Faculty of Medicine.
• Works at a center with 21 intensive care units dedicated to newborns.

Dr. Bengisu Ay is an infectious diseases specialist at Medipol University Pendik Hospital in Istanbul. She focuses on viral hepatitis, diabetic foot infections, and clinical microbiology. Dr. Ay has contributed to multi-center studies on antibiotic resistance and pathogen identification. She treats complex cases at a clinic that serves 350,000 patients annually.

• Specializes in the treatment of Chronic Hepatitis C and Mediterranean spotted fever.
• Authored research on epidermal growth factor for diabetic foot wounds.
• Former physician at Acipayam State Hospital and Bozyaka Training Hospital.
• Published international research on causative pathogens in bacterial infections.

Dr. Emel Ceylan Gunay is a nuclear medicine physician at Liv Hospital Ulus. She has authored over 30 international articles and 5 book chapters in her specialty. Dr. Gunay specializes in molecular scanning, nuclear oncology, and radionuclide treatments. She works at a JCI-accredited facility known for its diagnostic precision.

• Performs Lutetium-177 therapy and Gamma Knife for brain tumors.
• Expert in PET-CT scans using Gallium 68 for DOTA, DOTATATE, and PSMA.
• Member of the Turkey Nuclear Medicine Association.
• Sits on broadcasting advisory boards for seven domestic and international journals.

Education

• Faculty of Medicine: Trakya University, 1982-1988
• Radiation Oncology Residency: Şişli Etfal Training and Research Hospital, 1994-1998
• Radiation Oncology Residency: Princess Margaret Hospital Toronto, 1996
• Phytotherapy Master's Degree: Istanbul University Faculty of Pharmacy, 2017-2018

Experience

• Professor, Head of Department: Health Sciences University Bursa Faculty of Medicine, Department of Radiation Oncology, 2021-2024
• Professor, Head of Department: Health Sciences University Izmir Faculty of Medicine, Department of Radiation Oncology, 2021-2024
• Professor: Department of Radiation Oncology, Health Sciences University Istanbul Hamidiye Faculty of Medicine, 2021-2024
• Lecturer Gelisim University SMYO, 2013-2020

Medical Interests

• Breast Cancer / Intraoperative Radiotherapy
• Gynaecological Cancers / Brachytherapy Applications
• Gastrointestinal System Tumours
• Prostate Cancer / Hydrogel Space Oar Certificate and Application
• Lung Cancers
• Brain Tumours
• Head and Neck Cancers

Dr. Elnur Sahibov is a radiation oncology specialist at Emsey Hospital. He completed his specialization training at Marmara University Faculty of Medicine.

• Specializes in radiation oncology at a top Turkish private hospital
• Completed rigorous medical training at Marmara University in English
• Performs oncological imaging reviews including PET-CT with Gallium 68
• Expertise in diagnosing and treating various tumor types
• Focuses on precise staging for cancer patients

Dr. Augusto Covaro is an orthopedic spine surgeon at Hospital Universitari Quiron-Dexeus in Barcelona. He specializes in treating herniated disks, spinal stenosis, and complex scoliosis. Dr. Covaro serves as a member of AOspine and the Spanish Society of Orthopedics. He practices at a JCI-accredited university hospital recognized for neurosurgery and orthopedics.

• Performs robotic spine surgery and endoscopic discectomy.
• Expertise includes minimally invasive fusion and anterior cervical discectomy.
• Active member of GEER and Eurospine professional organizations.
• Contributes regularly to international meetings and scientific magazines.

Areas of Interests

• MR Linac
• Three Dimensional Brachytherapy
• Four Dimensional (4D) Radiotherapy
• Stereotactic RT & IMRT
• Breast Cancer, Gynecological Cancers
• Head – Neck Cancers
• Urological Tumors, Gastrointestinal Cancers
• Lung Cancer
• Central Nervous System Tumors & Metastases
• Skin Cancers
• Soft Tissue Tumors

Education:

• Istinye University Medical Faculty, Professor Doctor (2017 – Continued)
• Istine University Medical Faculty Associate Professor Doctor (2016 – 2017)
• Liv Hospital Radiation Medicine Center, Tbilisi, Georgia, Radiation Oncology Consulting Docor (2016 – 2019)
• Liv Hospital, Radiation Oncology (2015 – Continued)
• Istanbul University Oncology Institution, Associate Professor (2012 – 2015)
• Stereotactic Radiotherapy, Thoracic Oncology, University of North Carolina, NC, USA (2010 – 2011)
• Kocaeli University Radiation Oncology Department, Associate Professor Assistant (2006 – 2009)
• GATA Radiation Oncology Department, Specialist Doctor, Reserve Officer (2004 – 2005)
• Istanbul University, Medical Faculty, Dr.R.A. (1999 – 2004)
• Istanbul University, Medical Faculty, Under-Graduate (1993 – 1999)
   

Experience:

• Istinye University Medical Faculty
• Liv Hospital Ulus
• Istanbul University Oncology Institution
• University of North Carolina, NC, USA
• Kocaeli University Medical Faculty
• Istanbul University, Medical Faculty

Dr. Sultan Kavrut specializes in oncologic gynecology at the JCI-accredited Medistate Hospital Istanbul. She uses CT scans and biopsies to guide complex surgical decisions for reproductive cancers.

• Performs the Wertheim-Meigs operation – a radical surgery to treat cervical cancer
• Specializes in trachelectomy and cervix conization for cancerous tissue removal
• Trained at Zeynep Kamil Institute – a high-volume center for gynecological health
• Practices at a hospital treating 200,000 patients annually under international safety protocols
• Degree from Hacettepe University – one of the top medical schools in Turkey