Challenges for clinicians treating autoimmune pancreatitis: Current perspectives

Figure 3 Endoscopic ultrasound appearance of autoimmune pancreatitis. A: Hypoechoic diffuse pancreatic enlargement with patchy and coarse heterogeneous parenchyma; B: Mass-like lesion (open white arrow); C: Common bile duct wall thickening (white arrow) with heterogeneous pancreatic parenchyma; D and E: Contrast-enhanced endoscopic ultrasound features of mass forming autoimmune pancreatitis showing (D) homogenous hyper-enhancement mass (white arrows) without irregular internal vessel in the arterial phase and (E) wash-out (white arrows) in the venous phase.