Case Report
Copyright ©2010 Baishideng.
World J Gastroenterol. Feb 21, 2010; 16(7): 909-913
Published online Feb 21, 2010. doi: 10.3748/wjg.v16.i7.909
Figure 2
Figure 2 Images of ultrasonographic studies. A: EUS showed a mixed echoic mass in the distal bile duct (arrow heads); B: Papillary structure of the mass could be apparently observed on CEH-EUS with Sonazoid®; C: IDUS showed a 10-mm papillary mass (arrows) in the middle bile duct; D: In the distal bile duct, multilobular and papillary lesions (arrows) were observed. L: Lumen of the bile duct.