label: Duodenal Adenoma
label_lc: duodenal adenoma
description: "A circumscribed neoplasm that arises from the glandular epithelium of the duodenum. Morphologically, it is characterized by a proliferation of neoplastic glandular cells and it is associated with dysplasia. According to the growth pattern, it may be classified as tubular, villous, or tubulovillous."