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Integumentary system ORGAN SYSTEMS

Lichen simplex chronicus (LSC)

Lichen simplex chronicus (LSC), also known as neurodermatitis, is a common chronic pruritic dermatitis characterized by lichenification of the skin caused by chronic itching and scratching.

Lichen simplex chronicus (LSC), also known as neurodermatitis, is a common chronic pruritic dermatitis characterized by lichenification of the skin caused by chronic itching and scratching.


Pathophysiology

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.


Clinical features

  • Lesions on easy to reach areas
  • Itching (M/C symptom)
  • Plaques and thickened, potentially discolored lesions (may develop as a result of repeated scratching of the affected area)

Management

  • Occlusion of the area (to prevent scratching)
  • Topical anti-inflammatory therapies:
    • Corticosteroids
    • Topical emollients
  • Antibiotics (if infection)
  • Antihistamines (prevent exacerbation by allergic mediators)

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