Common Wart (Verruca vulgaris)
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Clinical Features: The classification of verrucae is based on appearance and location. Common warts (verruca vulgaris) occur over a wide age range and are commonly seen in children and adolescents. 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. Immunocompromised patients may present with a large number of lesions.
Transmission of human papillomavirus (HPV) occurs by direct contact between individuals or autoinoculation. Minor trauma often acts as a facilitator. As a result, warts are commonly seen on hands. Butchers, slaughterhouse workers, and other occupations with repeated minor trauma are at increased risk. Nail biting increases the risk for periungual warts. Plantar warts are associated with prolonged immersion of feet in water.
Transmission of human papillomavirus (HPV) occurs by direct contact between individuals or autoinoculation. Minor trauma often acts as a facilitator. As a result, warts are commonly seen on hands. Butchers, slaughterhouse workers, and other occupations with repeated minor trauma are at increased risk. Nail biting increases the risk for periungual warts. Plantar warts are associated with prolonged immersion of feet in water.