Atlas of Gastrointestinal Imaging Figure 1.3.3 Side branch IPMN

Dr. Perry Pickhardt
Aug 26, 2007
FIGURE 1.3.3 Side branch IPMN. Coronal reformatted CT image (A) shows cystic dilatation of a single side branch in the pancreatic head (arrow). On subsequent ERCP (B), contrast opacifies the same dilated side branch. Coronal T2-weighted SSFSE MR image (C) from a second patient shows a cluster of cystic lesions in the pancreatic head, which on MRCP (D) appears as a branching multicystic structure that communicates with, but does not directly involve, the main pancreatic duct. Contrast-enhanced CT (E) and intraoperative US (F) images from a third patient show a more nonspecific cystic lesion involving the pancreatic tail. Contrast-enhanced CT (G), T2-weighted MR (H), and MRCP (I) images from a final patient show a multicystic-appearing side branch IPMN involving the uncinate process.
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