RT Journal Article SR Electronic T1 Accessory spleens in the thoracic and abdominal cavities after a relapse of idiopathic thrombocytopenic purpura: a case report. JF Journal of Nuclear Medicine Technology JO J. Nucl. Med. Technol. FD Society of Nuclear Medicine SP 49 OP 51 VO 28 IS 1 A1 MacDonald, J K A1 Wilke, R A A1 Jacobs, W E YR 2000 UL http://tech.snmjournals.org/content/28/1/49.abstract AB This case report presents a highly unusual finding of ectopic splenic tissue in both the thoracic and abdominal cavities in a patient with recurrent idiopathic thrombocytopenic purpura (ITP).