Figure 31. Pancreas divisum and acute pancreatitis. (A, B) Unenhanced CT scans obtained at the level of the body (A) and head (B) of the pancreas clearly demonstrate glandular enlargement (*) with diffuse hypoattenuating areas related to inflammatory changes. (C, D) Corresponding MRCP images obtained before (C) and after (D) secretin administration. Improved delineation of the pancreatic duct and minor ampulla dilatation (arrow) are seen in D.