RT Journal Article SR Electronic T1 PET Imaging: An Overview and Instrumentation JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 5 OP 13 VO 18 IS 1 A1 Farhad Daghighian A1 Ronald Sumida A1 Michael E. Phelps YR 1990 UL http://tech.snmjournals.org/content/18/1/5.abstract AB This is the first article of a four-part series on positron emission tomography (PET). Upon completing the article, the reader should be able to: (1) comprehend the basic principles of PET; (2) explain various technical aspects; and (3) identify radiopharmaceuticals used in PET imaging.