lichenoid interface dermatitis


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  • Causes

    • lichen planus (lacks parakeratosis or eosinophils)
    • benign lichenoid keratosis
    • lichenoid drug eruption (eosinophils)
    • lichenoid GVHD
    • hypertrophic lupus (periadnexal infiltrate)
    • lichenoid regression of lentigo maligna

  • Histology

    • basal layer destruction
    • Civatte bodies
    • Sawtooth rete
    • late phase / burnt out features
      • effaced rete
      • melanin incontinence (melanoderma)
      • Civatte bodies
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