Review Article

Intraductal Papillary Neoplasms of the Bile Duct

Figure 4

Macroscopic findings of intraductal papillary neoplasm of the bile duct. (a) A polypoid mass (arrow) is elevated into the lumen of the bile duct. (b) Polypoid mural nodules (arrowheads) are observed in the well-defined cystic lesion. This lesion was communicated with the bile duct.
459091.fig.004a
(a)
459091.fig.004b
(b)