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

(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

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]
References in periodicals archive ?
The mean induration was 3.78 mm; it was the highest in professionals (4.4 mm) and the lowest among support staff (2.6 mm).
Figure 9(a) shows the stress-strain curves of the induration specimens and pure coal specimens of expandable slurries with high water content at water-cement ratios of 9:1, 8:1, and 7:1, respectively.
In our study, the use of low-dose prednisone was not associated with reductions in the TST induration size in RA patients in comparison to HS patients, even when treatment had been ongoing for several years.
Perineal nodular induration: The 'third testicle of the cyclist', an under-recognized pseudotumour.
Reinterpretation of the data after changing the cutoff value for TST by ignoring previous BCG vaccination, with an induration of >10mm defined as positive, increased the number of positive TSTs from 20(58.8%) to 28(82.4%) (Table-2).
Treatment failure - less than 25% reduction in size of; lesion with persisting induration or increase in size of lesion.
They address research in mineral drying and calcining; fluidization, reduction roasting, and microwave treatment; roasting; induration and sintering; and sintering and energy use.
Failure of cervical dilation is due to number of causes like cervical induration, primary uterine and cervical inertia, secondary uterine inertia with cervical involution and in early stage of normal parturition.
Wounds were assessed by visual tracking of wound size, and by presence of redness and induration.
International guidelines differ in the threshold of tuberculin skin test (TST) induration regarded as indicating Mycobacterium (M.) tuberculosis infection in children with previous Bacillus Calmette-Guerin (BCG) immunisation.
A tuberculin skin testing (TST) was considered positive when an induration equal to or greater than 10 mm diameter was detected.
However, the two groups did not significantly differ based on photographically assessed breast shrinkage, clinically assessed edema, tumor bed induration, or pigmentation, according to the researchers.