II. Epidemiology

  1. Human Papilloma Virus types 3, 10, 28, 41
  2. Most common in children and young adults

III. Signs

  1. Characteristics
    1. Smooth, slightly raised, 1-3 mm lesions
    2. Flat surfaced, pale, erythematous
    3. Multiple discrete lesions
  2. Locations
    1. Forehead
    2. Cheeks
    3. Perioral
    4. Dorsum of hands and arms

IV. Differential Diagnosis

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