Lichen Simplex Chronicus

Overview
  • Lichen Simplex Chronicus is an inflammatory skin reaction to chronic sustained scratching and rubbing.
Pathogenesis
  • Lichen Simplex Chronicus is categorized as a "Neurodermatosis" as the lesions are the direct result of chronic scratching and rubbing. Itching precedes the rash and is usually the result of a nervous habit.
Morphology
  • Lichen Simplex Chronicus is characterized by lichenification of the affected skin, generating a thickened plaque with prominent skin markings. Lesions are always within the reach of the patient's hands.
Clinical Consequences
  • The course of lichens simplex typically waxes and wanes depending on the habits of the patient.