adenoma


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Related to adenoma: Pituitary adenoma

adenoma:

see neoplasmneoplasm
or tumor,
tissue composed of cells that grow in an abnormal way. Normal tissue is growth-limited, i.e., cell reproduction is equal to cell death. Feedback controls limit cell division after a certain number of cells have developed, allowing for tissue repair
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.

adenoma

[‚ad·ən′ō·mə]
(medicine)
A benign tumor of glandular origin and structure.
References in periodicals archive ?
An adrenal lesion with imaging features diagnostic of a myelolipoma, lipid-rich adenoma or cyst is benign and requires no further work up, regardless of size.
All participants in the trials had one or more colorectal adenomas removed during a colonoscopy conducted in the six months prior to their trial enrollment.
The main differential diagnosis of basal cell adenoma includes basal cell adenocarcinoma.
Diagnosis of intestinal-type villous adenoma of the renal pelvis prior to definitive excision is a challenge.
This study was not double-blinded, randomised or placebo-controlled, and was limited by the small female sample size; however, the noteworthiness lies in the ease with which elevated homocysteine levels can be reduced with increased intake of folate, thus reducing colorectal adenoma development and CC risk.
Microscopic examination of pituitary adenoma specimens shows many gonadotropin cells with small secretory granules and, immunohistochemical examination shows pituitary gonadotropic hormone antibody positivity.
Based on the morphologic appearance, the main differential included pituitary adenoma versus metastatic carcinoid tumor.
We compared values with Student's t-test when normally or log-normally distributed and used [chi-square] testing to compare the numbers of adenoma subtypes between groups.
32 Generally, aggressive behavior is a phenomenon of clinically silent hormone-containing adenomas and unusual plurihormonal adenomas as well as the rare lactotroph adenoma with GH immunoreactivity, known as the "acidophil stem cell adenoma.
further expanded this term to 'pituitary tumour apoplexy' because of the overwhelming number of cases associated with pituitary adenoma and only isolated instances of apoplexy in healthy glands.
Treatment involves surgical excision of an adenoma or hyperplastic glands.