Fig. 1.

The schematic presentation of three IPMN types according to the affected pancreatic ductal region. (A) MD-IPMN. (B) BD-IPMN. (C) Mixed-IPMN. Main duct IPMN originates from the main pancreatic duct; BD-IPMN originates from the pancreatic ductal branches; and mixed-IPMN originates from both the main pancreatic duct and the ductal branches. Mucin formation is visualized within the duct. Examples of lesions according to the dysplasia types are shown in the figures as well. (a) Adenocarcinoma. (b) Adenoma. (c) Hyperplasia. (m) Mucin.

From the article of Lim et al. (2001), upon written permission of the author.