Annals of Nuclear Medicine is an official journal of the Japanese Society of Nuclear Medicine (JSNM) whose main aim is to develop the appropriate application of radioactive substances and stable nuclides in the field of medicine. To that end, this journal promotes the exchange of ideas and information and research in nuclear medicine as well. Papers on the medical application of radionuclides and related subjects are welcomed. Five types of papers are considered for publication: original articles, case reports, short communications, reviews, letters to the editor, and others. Submitted manuscripts are reviewed in terms of originality, significance, and adequacy of documentation.