Definition of adenoma in English:
adenoma
nounPlural adenomata, Plural adenomas ˌadɪˈnəʊməˌædnˈoʊmə
Medicine A benign tumour formed from glandular structures in epithelial tissue.
Example sentencesExamples
- These authors do not clearly state whether these 14 cases represent true malignant mixed tumors or carcinoma ex-pleomorphic adenomas.
- It is currently believed that most colorectal carcinomas start as benign adenomas that undergo malignant transformation into adenocarcinoma.
- The number of patients with neoplastic lesions, adenomas, adenomas 1 cm or more in diameter and adenocarcinoma was similar in both groups.
- Important clinical and biological differences exist between the adenoma carcinoma sequence and ulcerative colitis associated neoplasia.
- Hepatic adenomas are benign tumors composed entirely of hepatocytes and the appropriate supporting connective tissue framework.
Derivatives
adjective
Medicine 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.
Example sentencesExamples
- Screening for and removal of colorectal cancer and precancerous adenomatous polyps can decrease the incidence of colon disease.
- The fecal occult blood test is not useful in detecting a precancerous stage because large adenomatous polyps rarely cause bleeding and remain undetected.
- The ability to detect precancerous adenomatous polyps, remove them, and thus prevent the development of colorectal cancer is an important rationale for screening.
- Familial adenomatous polyposis accounts for about 1% of cases of colorectal cancer, with the defect gene identified on chromosome 5.
Origin
Late 19th century: modern Latin, from Greek adēn 'gland'.