Imaging features of malignant vs stone-induced biliary obstruction: Aspects to consider

Figure 3 Pancreatic ductal adenocarcinoma in a 72-years-old man with obstructive jaundice. A: Axial contrast-enhanced computed tomography image shows a well-circumscribed exophytic tumor in the pancreatic head with heterogeneuos enhancement in delayed arterial; B: Portovenous phase; C: Axial magnetic resonance fat suppression T2-weighted images image showing a mildly hyperdense irregular mass in the head of the pancreas; D: T1-weighted images with hypointense signal.