NCIt related terms : ADENOMA, BENIGN; Adenoma, NOS;
NCIt definition : A neoplasm arising from the epithelium. It may be encapsulated or non-encapsulated
but non-invasive. The neoplastic epithelial cells may or may not display cellular
atypia or dysplasia. In the gastrointestinal tract, when dysplasia becomes severe
it is sometimes called carcinoma in situ. Representative examples are pituitary gland
adenoma, follicular adenoma of the thyroid gland, and adenomas (or adenomatous polyps)
of the gastrointestinal tract.;
Alternative definition : CDISC: A benign neoplasm arising from epithelium.; NCI-GLOSS: A tumor that is not cancer. It starts in gland-like cells of the epithelial
tissue (thin layer of tissue that covers organs, glands, and other structures within
the body).;