Received 1/19/2010; revised 2/11/2010; accepted 2/23/2010. For correspondence and reprints contact: Yum-Kung Chu, M.D., Department of Nuclear Medicine, Taipei Veterans General Hospital. 201 Section 2, Shih-Pai Road, Taipei 112, Taiwan. Tel: (886)2-28757374 ext. 7301, E-mail: ykchu@vghtpe.gov.tw Omental cake refers to infiltration of the omental fat by material of soft-tissue density. Diffuse pe...