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单词 adenoma
释义

Definition of adenoma in English:

adenoma

nounPlural adenomata, Plural adenomas ˌadɪˈnəʊməˌædnˈoʊmə
Medicine
  • A benign tumour formed from glandular structures in epithelial tissue.

    〔医〕腺瘤

    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

  • adenomatous

  • 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'.

Definition of adenoma in US English:

adenoma

nounˌædnˈoʊməˌadnˈōmə
Medicine
  • A benign tumor formed from glandular structures in epithelial tissue.

    〔医〕腺瘤

    Example sentencesExamples
    • Hepatic adenomas are benign tumors composed entirely of hepatocytes and the appropriate supporting connective tissue framework.
    • 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.
    • 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.

Origin

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

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更新时间:2024/10/19 14:41:04