Endoscopic ultrasound in common bile duct dilatation with normal liver enzymes

Figure 1 Examples of pathologic findings identified on endoscopic ultrasound in patients with negative prior imaging tests. A: Choledocholithiasis: Small stones in the common bile duct; B: Small pancreatic cancer; C: Small duodenal diverticulum with bile duct indentation (see arrow); D: Ampullary carcinoma with pancreas invasion; E: Inflammatory thickening of the distal common bile duct.