Hepatic biliary adenofibroma is an exceedingly rare biliary neoplasm that primarily affects adults. It typically presents as a solitary mass composed of low-grade microcystic and tubuloglandular bile ...

Histologically, it features biliary tubules, acini, and microcysts, resembling von Meyenburg complexes (VMC) but with a larger size and occasional nuclear atypia. Immunohistochemical staining ...