Figure 32. Pancreas divisum and pancreatitis. (A) Contrast-enhanced helical CT shows an enlarged dorsal duct (arrowhead) anterior to the common bile duct (arrow). (B, C) Corresponding unenhanced (B) and secretin-enhanced (C) MRCP images demonstrate dorsal duct enlargement (arrow), abnormal side branches (arrowheads), and reduced duodenal filling.