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Department of nuclear medicine

Prof. Dr. Cuneyt Turkmen
nuclear medicine

About the department

The nuclear medicine department at Memorial Sisli Hospital Istanbul diagnoses and treats almost all body systems diseases using small amounts of radioactive materials. The dose of radioactive materials used is so low that even newborns can use it. Key clinical areas include diagnosing and treating tumours and diseases of the thyroid gland, kidneys, brain and heart. For diagnostics, doctors have at their disposal the necessary medical equipment of the latest generation: devices for PET, PET-CT, SPECT-CT, etc. The most common diagnostic tests include scintigraphy of the thyroid and parathyroid glands, brain and bone marrow. After a comprehensive diagnosis, the doctors of the medical facility evaluate the feasibility of radioisotope therapy. The department doctors use only reliable radioisotopes that do not harm the human body and do not cause side effects.

In the field of therapy, one of the priority areas is the use of nuclear medicine in prostate cancer. Doctors successfully use Actinium-225 PSMA and Lutetium-177 PSMA in their practice, which was specially developed for the treatment of prostate cancer. Due to their specific properties, the drugs bind to cancer cells and destroy them. This type of therapy is highly effective and well-tolerated by patients.

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Treatment and diagnostic focus of the department


  • Oncological diseases
  • Diseases of the coronary arteries
  • Hypertonic disease
  • Pulmonary embolism
  • Cerebrovascular occlusions
  • Stroke
  • Dementia
  • Epilepsy
  • Kidney infections
  • Hidden bone fractures
  • Bone infections
  • Goitre and other thyroid pathologies
  • Intestinal bleeding
  • Latent infection
  • Prostatic cancer 


  • Anamnesis
  • Physical examination
  • Laboratory analysis 
  • Ultrasound examination
  • Brain scintigraphy
  • Testicular scintigraphy
  • Bone marrow scintigraphy
  • Liver scintigraphy
  • Positron emission tomography (PET)
  • Single-photon emission computed tomography (SPECT-CT)
  • Computed tomography (CT scan)


  • Radioiodine therapy
  • Radioimmunotherapy (RIT) 
  • Lutetium-177 PSMA isotope therapy for metastatic prostate cancer
  • Actinium-225 PSMA therapy
  • Radiosynoviorthesis
  • Palliative pain management for bone metastases
  • Radioiodine therapy for thyroid diseases
  • Peptide radioreceptor therapy
  • Selective internal radiation therapy
  • Other treatment options
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Doctor profile


  • 1998 - 2002 Nuclear Medicine Department, Specialization Training, Istanbul University, Istambul Faculty of Medicine, Istanbul, Turkey
  • 1985 - 1992 Dokuz Eylul University Medical Faculty, Izmir, Turkey


  • 2021 Nuclear medicine, Memorial Sisli Hospital, Istanbul, Turkey
  • 2015 - 2021 Nuclear medicine, Florence Nightingale Istanbul Hospital, Istanbul, Turkey
  • 2002 Nuclear Medicine Department, Istanbul University, Istambul Faculty of Medicine, Istanbul, Turkey

Awards, memberships, publications

  • European Association of Nuclear Medicine
  • Society of Nuclear Medicine
  • Turkish Nuclear Medicine Association
  • 56 International, 28 National Research Articles
  • 58 international, 45 national congress papers
  • 6 International, 4 National Book Chapters
  • Fellowship of the European Board of Nuclear Medicine
  • Turkish Nuclear Medicine Association Qualification Certificate
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