Fig. 2From: Branch-type intraductal papillary neoplasm of the bile duct treated with laparoscopic anatomical resection: a case reporta, b Magnetic resonance imaging findings. c Ultrasonography findings. Magnetic resonance imaging showed slight dilation of the distal bile duct (white arrow). Ultrasound showed a highly echoic papillary nodular area in the cystic lesionBack to article page