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adenoma Line breaks: ad¦en|oma
Pronunciation: /ˌadɪˈnəʊmə/

Definition of adenoma in English:

noun (plural adenomas or adenomata ˌadɪˈnəʊmətə)

A benign tumour formed from glandular structures in epithelial tissue.
Example sentences
  • 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.


Example sentences
  • 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.


Late 19th century: modern Latin, from Greek adēn 'gland'.

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