label: Ampulla of Vater Hepatoid Adenocarcinoma
label_lc: ampulla of vater hepatoid adenocarcinoma
description: "A very rare adenocarcinoma that arises from the ampulla of Vater.  It is usually of the intestinal type and is characterized by the presence of malignant polygonal cells with abundant eosinophilic cytoplasm resembling hepatocytes."