Fig. 3From: Mass-forming pancreatitis versus pancreatic ductal adenocarcinoma: CT and MR imaging for differentiationMFCP of the head (86 y, male). a T1w GRE fatsat, b T2w TSE, and c gadolinium-enhanced T1w GRE images show a mass in the head (arrows). The panc. duct traverses the mass (arrowheads) (duct-penetrating sign), which is typical for an inflammatory mass. d MRCP even better shows duct-penetrating sign (arrowhead). There are also typical signs of CP with ductal irregularities and dilated side branches throughout the glandBack to article page