The appearance of annular pancreas on magnetic resonance (MR) images i
s described in a 14-year-old boy with pancreatitis and incomplete panc
reas divisum. The presence of the coexisting abnormalities complicated
the interpretation of an upper gastrointestinal series and computed t
omographic (CT) study. MR imaging was useful as a problem-solving tech
nique to supplement the conventional imaging tests.