Despite improved diagnostic capacity, which is based on clinical presentation and imaging studies, it is still difficult to identify the degree of malignancy for IPMT preoperatively.

Results Of the 67 cases, 27 cases (40.3%) were classified as the main duct type IPMT, 35 cases (52.2%) as the branch duct type IPMT, and five cases (7.5%) as the mixed duct type IPMT. There were ...