hyperplasia

(redirected from hyperplasias)
Also found in: Dictionary, Thesaurus, Medical.

hyperplasia

(hī'pərplā`zhə): see hypertrophyhypertrophy
, enlargement of a tissue or organ of the body resulting from an increase in the size of its cells. Such growth accompanies an increase in the functioning of the tissue. In normal physiology the growth in size of muscles (e.g.
..... Click the link for more information.
.

Hyperplasia

 

an increase in the number of structural elements of tissues or organs. In man and animals, hyperplasia is based on the intensified reproduction of cells and the formation of new structures. Hyperplasia is observed in various types of pathological growth of tissues (chronic productive inflammation and tumor), in regeneration, and in hypertrophy. Hyperplasia often carries with it compensating characters. In plants, it may be a local growth of tissues resulting from mitotic or amitotic cell division. It occurs with infection by destructive or pathogenic organisms, during trauma, and under the influence of growth stimulants, pesticides, and other preparations. The result of hyperplasia is the formation of galls, calluses, and warts.

hyperplasia

[‚hī·pər′plā·zhə]
(medicine)
Increase in cell number causing an increase in the size of a tissue or organ.
References in periodicals archive ?
The weight of the prostatic gland increases with age owing to the development of benign prostatic hyperplasia (BPH), averaging 33.
Basal cell hyperplasia occurs in up to 10% of prostates.
The risk of developing breast cancer was roughly twice as great 10 years or longer following a benign biopsy featuring atypical ductal hyperplasia as in the first 10 years of follow-up.
Atypical lobular and atypical ductal hyperplasia also differed in terms of the impact of menopausal status at the time of the benign breast biopsy on subsequent breast cancer risk.
There was no difference in intensity between complex hyperplasia and carcinoma (P = .
Analysis of paired specimens for cyclin D1 immunoreactivity of glandular changes and superficial epithelium showed that there was no significant difference in the frequency of metaplastic surface changes with underlying complex hyperplasia and other glandular morphologic features.
14] One liver had a peripheral irregular zone of hyperplasia with ductular proliferation and radiating fibrous septa.
25] Focal nodular hyperplasia has a female predominance in most studies.
One larger study examining radioguided gland resection in 92 patients with parathyroid hyperplasia reported a 100% success rate in localizing the hyperfunctional parathyroid glands.
Parathyroid lipoadenoma and lipomatous hyperplasia.
Angiolymphoid hyperplasia with eosinophilia successfully treated with imiquimod.
Treatment of angiolymphoid hyperplasia with eosinophilia with the carbon dioxide laser.