||In his PhD thesis Dr. Keidar investigated the role of quantitative bone SPECT (QBS) for prediction of bone loss and pain palliation in bone metastases. His main areas of research interest include: PET and PET/CT for diagnosis and treatment of patients with infection and inflammation, with special emphasis on assessment of vascular grafts, diabetic osteopathies and fever of unknown origin. Dr. Keidar also specializes in the new technology of SPECT/high-resolution CT, and the development of cardiac, endocrine and oncologic applications. He is the author of over 40 scientific articles and 3 book chapters. He is also an Associate Senior Lecturer at the Faculty of Medicine of the Technion.