Induration

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The term induration (from the Latin durus = hard) describes a hardening of tissue in medicine . In principle, all types of soft body tissue (e.g. lungs, liver and skin) can harden. Typically, fibrosis (increase in connective tissue, for example as a result of inflammation, local immunological processes or microtraumas) is the cause. It is assumed that induration of the skin in rosacea is the result of mast cell-induced fibrosis and that of the tunica albuginea in induratio penis plastica is the result of repeated microtraumas. In the German-speaking world, the term was used particularly frequently in the past in connection with the consequences of syphilis ( primary effect ).

Individual evidence

  1. G. Plewig et al.: Acne and Rosacea. Gabler Wissenschaftsverlage, 1996, ISBN 3-540-55763-6 , p. 435, (online)
  2. Peter Reuter: Springer Lexicon Medicine. Springer, Berlin a. a. 2004, ISBN 3-540-20412-1 , pp. 1024-1025.