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Induration
ICD-10	R23.4
ICD-9	782.8

Induration (in'doo rā'shən, -dyoo-), a noun, means, in terms of pathology, (a) hardening of an area of the body as a reaction to inflammation, hyperemia, or neoplastic infiltration, or (b) an area or part of the body that has undergone such a reaction.^[1] Most often this term is used to describe dermatologic findings.

[edit] Examples of usage

"Induration appears to be an adequate indication of tuberculin sensitivity. Erythema cannot be excluded, but is not a positive sign in and of itself."^[2]

"The erythema had spread to 20 mm, and the central induration had spread to 9 mm."^[3]

[edit] See also

[edit] Footnotes

^ Random House Webster's Unabridged Dictionary. Random House, Inc. 2001. Page 975. ISBN 037572026.
^ Kimura, et al. "Comparison of erythema and induration as results of tuberculin tests." Int J Tuberc Lung Dis. 2005;9(8):853-7. PMID 16104630.
^ Race, et al. "Painful nodule with induration and spreading erythema." Baylor University Medical Center Proceedings. 2005;18(4):401–404.

[randomHouse-0] Random House Webster's Unabridged Dictionary. Random House, Inc. 2001. Page 975. ISBN 037572026.

[Kimura-1] Kimura, et al. "Comparison of erythema and induration as results of tuberculin tests." Int J Tuberc Lung Dis. 2005;9(8):853-7. PMID 16104630.

[Race-2] Race, et al. "Painful nodule with induration and spreading erythema." Baylor University Medical Center Proceedings. 2005;18(4):401–404.

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