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Common Warts (Verruca Vulgaris)

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Common warts (verruca vulgaris) occur over a wide age range and are frequently seen in children and adolescents. Minor trauma often acts as a facilitator, therefore hands are commonly affected. The most common sites are dorsum of hands, fingers, periungual region, knees, nostrils, eyelids, and lips. They appear as elevated, hard, flesh-colored, 0.1 to 1.0 cm lesions with a rough surface.

Common warts are caused by HPV types 1, 2, 4, 7, and 26-29. In immunosuppressed patients, HPV types 75, 76, and 77 may be pathogenic. Common warts in children may be caused sometimes by types 6 and 11 which are usually associated with genital warts.

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