NCIt synonyms : Small Bowel Adenoma; Adenoma of the Small Intestine; Adenoma of the Small Bowel; Adenoma of Small Intestine; Adenoma of Small Bowel; Non-Ampullary Adenoma;
NCIt definition : A neoplasm that arises from the glandular epithelium of the small intestine. It is
a polypoid or flat circumscribed lesion. 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.;