Neoplastic Process
adenoma Audio
ad·e·no·ma [ ad-n-oh-muh ]
Subclass of:
Neoplasms, Glandular and Epithelial
Etymology:
Greek aden = gland + -oma = tumor or neoplasm
Definitions related to adenoma:
  • (adenoma, benign) A benign neoplasm arising from epithelium.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • A benign epithelial tumor with a glandular organization.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • A benign growth found in the layer of cells that lines certain organs (epithelial cells).
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • 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.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • 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).
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • Benign epithelial tumor in which the cells form recognizable glandular structures or in which the cells are clearly derived from glandular epithelium.
    CRISP Thesaurus
    National Institutes of Health, 2006
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