Fig. 11
From: Imaging diagnosis and staging of pancreatic ductal adenocarcinoma: a comprehensive review
A 60-year-old woman with a segmental form of groove pancreatitis. Coronal portal venous phase CT image (a) shows a hypoattenuating sheet-like area in the pancreaticoduodenal groove (between long arrows) associated with mural thickening and luminal narrowing of the descending duodenum. CBD (short arrow) is displaced medially by the inflammatory process and tapers distally. MR images with coronal T2 HASTE sequence (b), axial fat-suppressed T1 sequence (c), and axial contrast-enhanced fat-suppressed T1 sequence of the delayed phase (d) show the pancreaticoduodenal groove abnormality (between long arrows) containing multiple tiny cysts along the duodenal wall with high T2-signal intensity and a sheet of fibro-inflammatory tissue with low T1-signal intensity, and delayed enhancement. Non-enhancing tiny pseuodocyst is noted (curved arrow). CBD (short arrow) and MPD (arrowhead) are not dilated. The patient has improved on subsequent follow-up