Choledochal cyst and anomalous pancreaticobiliary ductal union (APBDU) are considered to be embryologically related to each other, and their complications are clinically important. This article illustrates the key imaging features of choledochal cysts and APBDU and their various associated abnormalities and complications. Complications of common bile duct are more common in APBDU with choledochal cyst, and complications of gallbladder are more common in APBDU without choledochal cyst.
From the *Department of Diagnostic Radiology, Institute of Gatroenterology, and Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine, †Department of Diagnostic Radiology, Asan Medical Center, Ulsan University College of Medicine, and ‡Department of Diagnostic Radiology, Yongdong Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.
Received for publication January 22, 2007; accepted March 28, 2007.
Reprints: Mi-Suk Park, MD, Department of Diagnostic Radiology, Severance Hospital, 134 Shinchon-dong Seodaemoon-ku, Seoul 120-572, South Korea (e-mail: firstname.lastname@example.org).