What is lichen simplex chronicus (LCS)?

Updated: Feb 15, 2019
  • Author: Jason Schoenfeld, MD; Chief Editor: William D James, MD  more...
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Answer

Lichen simplex chronicus (LSC) is thickening of the skin with variable scaling that arises secondary to repetitive scratching or rubbing. Lichen simplex chronicus is not a primary process. Rather, a person senses pruritus in a specific area of skin (with or without underlying pathology) and causes mechanical trauma to the point of lichenification.


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