Stunning example of the cholangioblastic variant of intrahepatic cholangiocarcinoma. At first glance, these look like neuroendocrine tumors, and there is chromogranin/
synaptophysin expression (patchy) but not INSM1. The kicker is inhibin.
Case provided by Dr. Elizabeth Montgomery, Professor of Pathology and Vice Chair of Anatomic Pathology at the University of Miami, and Editor-In-Chief at Innovative Science Press. You can check out our titles at: