adenoma

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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 ?
Parathyroid adenomas can be successfully localized with a pre-operative Sestamibi scan.
During the study period, 5,811 adenomas were observed in the men compared to 8,116 in the women.
But it's not been clear whether yogurt intake might also be associated with a lower risk of pre-cancerous growths, known as adenomas.
Histologically, they may present as multiple hamartomatous polyps of differing types featuring juvenile-type polyps, ganglioneuromas, lipomas, and adenomas. (37) If a PTEN mutation is identified, the risk of adenocarcinoma of breast, thyroid, and endometrium appears increased; however, an excess risk of GI cancer has not been well established.
While EPA by contrast did not conclusively reduce the mean total number of adenomas per participant, it did reduce the number of adenomas in the left-sided colon, with an IRR of 0.75 (95% CI, 0.60-0.94).
A newly published article in Lancet, entitled "EPA and aspirin, alone and in combination, for the prevention of colorectal adenomas (seAFOod Polyp Prevention trial): a multicentre, randomised, double-blind, placebo-controlled, 2x2 factorial trial," researched the effect of EPA and aspirin for the prevention of colorectal adenomas (5).
In current US practice, many gastroenterologists perform follow-up colonoscopy about five years after removing one or two nonadvanced adenomas during a screening colonoscopy.
Lipid-rich adenomas are also easily diagnosed on chemical shift MRI, using breath-held dual-echo T1-weighted, gradient-recalled echo (GRE), acquired in-phase and opposed phase.
"An oral, delayed-release, methylene blue tablet taken during the standard bowel preparation for colonoscopy has the potential to increase the adenoma detection rate and could assist in the early detection and prevention of colorectal cancer," according to Michael B.
Exclusive endoscopic transsphenoidal resection of pituitary adenomas when compared to the traditional microscopic approach is found to be safer and more efficacious.6 Advantages of this approach are; it provides a larger field of vision of the sella and surrounding structures, better understanding of anatomy, increased working field and reduced injuries to nasal cavity.6 Systematic reviews and international data have shown that the endoscopic approach is associated with a higher rate of gross total resection, decreased hospital stay and reduced observed postoperative complications.7
The present study was done to evaluate the cytomorphological features of pleomorphic adenomas with an emphasis on differential diagnoses, challenges encountered during the diagnosis and addressing potential pitfalls.
Some studies have shown that loss of adhesion protein expression may be involved in the pathogenesis of pituitary adenomas and contribute to tumor aggressiveness and invasiveness (4-7).