adenoma
/ˌadɪˈnəʊmə
/noun (plural adenomas or adenomata /ˌadɪˈnəʊmətə/) Medicine
A benign tumour formed from glandular structures in epithelial tissue.It is currently believed that most colorectal carcinomas start as benign adenomas that undergo malignant transformation into adenocarcinoma....
- These authors do not clearly state whether these 14 cases represent true malignant mixed tumors or carcinoma ex-pleomorphic adenomas.
- Hepatic adenomas are benign tumors composed entirely of hepatocytes and the appropriate supporting connective tissue framework.
Derivatives
adenomatous
- Screening for and removal of colorectal cancer and precancerous adenomatous polyps can decrease the incidence of colon disease.
- Colonoscopy is an invasive procedure than examines the entire colon and can be used to obtain biopsy specimens of adenomas and carcinomas and to excise adenomatous polyps.
- The ability to detect precancerous adenomatous polyps, remove them, and thus prevent the development of colorectal cancer is an important rationale for screening.
Origin
Late 19th century: modern Latin, from Greek adēn 'gland'.
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