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Oral Lichen PlanusAka: Lichen Planus of Buccal Mucosa

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  1. Epidemiology
    1. Prevalence: 1-2% in United States
    2. Age usually >40 years
    3. Gender predominance: Slightly more common in women
  2. Pathophysiology
    1. Autoimmune mediated apoptosis of epithelial cells
    2. Involves CD8+ cytotoxic T-Cells
  3. Signs
    1. Reticular type
      1. Distributed on posterior Buccal mucosa
      2. Asymptomatic lesions
      3. Appearance
        1. White confluent Papules or
        2. Lacelike (lichenoid) network of striations
          1. Also known as Wickham's striae
    2. Erosive type
      1. Painful erythema or ulcers
      2. Surrounded by white radiating striae
    3. Desquamative Gingivitis type (Erosive type variation)
      1. Generalized erythema or Ulceration of the Gingiva
  4. Associated conditions
    1. Pruritic cutaneous Papules may occur on body
  5. Evaluation
    1. Biopsy lichenoid lesions if not classic appearance
  6. Management
    1. Asymptomatic lesions require no treatement
    2. Topical Corticosteroids may be used if symptomatic
      1. Kenalog in Orobase
      2. Corticosteroid oral rinses
    3. Routine surveillance
      1. May be associated with Oral Cancer risk
  7. References
    1. Sugerman (2000) Clin Dermatol 18:533

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