Iranian Journal of Nuclear Medicine is a peer-reviewed biannually journal of the Research Center for Nuclear Medicine, Tehran University of Medical Sciences, covering basic and clinical nuclear medicine sciences and relevant applications such as molecular imaging, functional and metabolic investigation of disease, radiobiology, dosimetry, radiopharmacy, radiochemistry, instrumentation and computer sciences, etc. The journal particularly welcomes original articles reflecting the local or worldwide growing materials as well as common critical problems and interests in the field of nuclear medicine. Also systematic reviews, meta-analyses, general reviews, mini-reviews, short communications, editorials, case reports and letters to the editor in this subject will be accepted. The aim of this journal is to contribute to the education of physicians, technologists, and other relevant specialists and to provide an opportunity for the exchange of scientific information for national and international nuclear medicine community.