MSD Manual

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Lichenification
skin_lesion_lichenification_high
Lichenification

    Lichenification is thickened skin that has accentuated skinfolds or creases that appear as deep grooves and wrinkles. The lichenification in this photo is the result of repeated scratching and rubbing that occurred during an episode of atopic dermatitis.

Photo provided by Thomas Habif, MD.