Fig. 5From: Mass-forming pancreatitis versus pancreatic ductal adenocarcinoma: CT and MR imaging for differentiationNon-calcified soft tissue mass with calcifications located in the periphery: PDAC (71 y, male). a Unenhanced CT shows a large soft tissue mass with marginal calcifications. b, c Gadolinium-enhanced T1w GRE images in the arterial and venous phases show a hypovascular mass located in the medial part of the pancreatic head (arrows). Thus the calcification seen at CT are not located in the mass, but in the adjacent parenchyma. d MRCP shows abrupt stenosis of the CBD (arrow) with dilatation. Surgical histology revealed PDAC in CPBack to article page