Induration

induration /in·du·ra·tion/ (in?du-ra´shun)

1. sclerosis or hardening.

2. hardness.

3. an abnormally hard spot or place.in´durative

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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.

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in·du·ra·tion (nd-rshn, -dy-)

n.

1. The hardening of a normally soft tissue or organ, especially the skin, because of inflammation, infiltration of a neoplasm, or an accumulation of blood.

2. A focus or region of abnormally hardened tissue.

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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

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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.

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induration

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

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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.