induration


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induration

 [in″du-ra´shun]
1. the quality of being hard.
2. the process of becoming hard; called also hardening and sclerosis.
3. an abnormally hard spot or place. adj., adj indura´tive.
black induration the hardening and pigmentation of the lung tissue seen in coal workers' pneumoconiosis.
brown induration
1. a deposit of altered blood pigment in the lung in pneumonia.
2. increase of the pulmonary connective tissue and excessive pigmentation, due to chronic congestion from valvular heart disease, or to anthracosis. See also gray induration.
cyanotic induration hardening of an organ from chronic venous congestion.
granular induration cirrhosis.
gray induration induration of lung tissue in or after pneumonia, without the pigmentation seen in brown induration.
red induration red, congested lung tissue seen in idiopathic pulmonary fibrosis.

in·du·ra·tion

(in'dū-rā'shŭn),
1. The process of becoming extremely firm or hard, or having such physical features.
2. A focus or region of indurated tissue. Synonym(s): sclerosis (1)
[L. induratio (see indurated)]

induration

/in·du·ra·tion/ (in″du-ra´shun)
1. sclerosis or hardening.
2. hardness.
3. an abnormally hard spot or place.in´durative

black induration  hardening and pigmentation of lung tissue in coal workers' pneumoconiosis.
brown induration 
1. a deposit of altered blood pigment in the lung.
2. increase of pulmonary connective tissue, dark colored due to anthracosis or chronic congestion from valvular heart disease.
cyanotic induration  hardening of the kidney from chronic venous congestion.
granular induration  cirrhosis.
gray induration  induration of lung tissue in or after pneumonia, without the pigmentation of brown induration.
penile induration  Peyronie's disease.
red induration  red, congested lung tissue seen in idiopathic pulmonary fibrosis.

induration

(ĭn′də-rā′shən, -dyə-)
n.
1. The quality or condition of being hardened.
2. The act or process of becoming hardened.
3. The hardening of a normally soft tissue or organ, especially the skin, due to inflammation, infiltration of a neoplasm, or accumulation of blood.

induration

[in′dyərā′shən]
Etymology: L, indurare, to make hard
hardening of a tissue, particularly the skin, caused by edema, inflammation, or infiltration by a neoplasm. indurated, adj.

induration

Dermatology A hardened bump on the skin or subcutaneous tissue Medtalk Scleroma A term for hardened tissue. See Keloid Tuberculosis A palpable welling at the site of injection after a Mantoux skin test; the reaction size is the diameter of the indurated area–excluding redness.

in·du·ra·tion

(indūr-āshŭn)
1. The process of becoming extremely firm or hard, or having such physical features.
See: indurated
2. A focus or region of indurated tissue.
Synonym(s): sclerosis (1) .
[L. induratio]

induration

1. Abnormal hardness of tissue as a result of a disease process or injury.
2. Hardening of tissue.

Induration

An abnormally hard spot or area on the skin. The tuberculin skin test produces an induration at the test site in persons who have been exposed to TB.
Mentioned in: Tuberculin Skin Test

in·du·ra·tion

(indūr-āshŭn)
1. Process of becoming extremely firm or hard, or having such physical features.
2. A focus or region of indurated tissue.
Synonym(s): sclerosis (1) .
[L. induratio]

induration,

n 1. the hardening of tissue, usually because of the accumulation of cells from an inflamed or infected site. Also called
sclerosis when caused by inflammation. 2. an accumulation of hard tissue.

induration

the quality of being hard; the process of hardening; an abnormally hard spot or place.

black induration
the hardening and pigmentation of the lung tissue, as in pneumonia.
brown induration
1. a deposit of altered blood pigment in the lung in pneumonia.
2. an increase of the pulmonary connective tissue and excessive pigmentation, due to chronic congestion from valvular heart disease, or to anthracosis.
cyanotic induration
hardening of an organ from chronic venous congestion.
granular induration
cirrhosis.
gray induration
induration of lung tissue in or after pneumonia, without pigmentation.
red induration
interstitial pneumonia in which the lung is red and congested.
References in periodicals archive ?
Differential diagnoses for perineal nodular induration Differential diagnosis Histolopathological features Ischemic fasciitis (13-15) Outer fringe of mitotically active fibroblasts and occasional ganglion-like cells and small vessels surrounding a central zone of necrobiosis Cellular angofibrom (*16) Uniformly moderately cellular with plump, bland spindle cells, hyalinized round, thick and walled vessels may contain adipose tissue Angiomyofibroblastoma-like tumour Alternating hypercellular and of the male genital tract (*17) hypocellular areas with clusters of rounded, epithelioid cells around numerous small vessels Mammary type fibroblastoma (*18) Well-circumscribed, more cellular, and lacks a central zone pattern.
determined that an induration diameter of less than 18mm may have been related to prior BCG vaccination in a previously vaccinated group under 40 years age.
Moderate improvement - > 50% reduction in size but not complete healing with persisting induration of lesion.
When infiltration and calcification was correlated with Tuberculin Skin Test (TST), it was noted that out of 800 contacts 57 showed mild infiltration and of these 55 also had indurations of equal to or more than 10mm.
Results of initial and follow-up screening for tuberculosis, Italy, 2008-2009 * TST induration [greater or equal to] 5 mm, no.
A 5 mm cut-off point was adopted for a positive test result in subjects with active disease; for other persons with an increased probability of recent infection or with other clinical conditions that increase the risk for progression to active TB, > 10 mm of induration is considered positive for persons at low risk for TB, for whom tuberculin testing is not generally indicated, > 15 mm of induration is considered positive.
Scleredema of Buschke or scleredema adultorum is a rare primary cutaneous fibromucinosis of unknown etiology that is characterized by extensive woody, non-pitting induration of skin throughout the body, with systemic involvement being rather uncommon.
The FDA is recommending that physicians tell patients to monitor the site after injection and to contact their physician "if they develop pain, swelling, tenderness, induration, bruising, pruritus, or redness at the injection site that does not improve or worsens within 2 weeks.
After 24, 48, and 72 hours, the dressing and cream were removed, the degree of induration was measured, and the appropriate cream was reapplied and covered.
NORDIC BUSINESS REPORT-24 June 2008-Finnish engineering group Metso Corporation lands iron ore induration machine order in Trinidad and Tobago(C)1994-2008 M2 COMMUNICATIONS LTD http://www.
Clinical manifestations of chronic venous insufficiency are chronic dermatitis and cellulitis, as well as atrophy of the skin and subcutaneous tissue with induration and brown discoloration.