Development of Pancreatic Ductal Adenocarcinoma Associated with Intraductal Papillary Mucinous Neoplasia
Figure 1
Classification of IPMN of the branch duct type into 1 to 4 types based upon images obtained by EUS and/or IDUS: type I, with no mural nodule; type II, with a mural nodule-elevated lesion less than 5 mm; type III, with a mural nodule elevated at least 5 mm; or type IV, solid tumor with a mixture of high and low echogenicity in the pancreatic parenchyma.
