| verruca vulgaris | A keratotic papilloma of the epidermis which occurs most frequently in young persons as a result of localised infection by human papilloma virus, usually types 2 and 4; the lesions are of variable duration, eventually undergoing spontaneous regression, and are both exophytic and endophytic, with hyperkeratosis, parakeratosis, hypergranulosis, koilocytosis, and papillomatosis. Synonym: common wart, infectious warts, verruca simplex, viral wart. (05 Mar 2000) |
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| seborrheic verruca | A benign skin lesion resulting from excessive growth of the top layer of skin cells. It usually is found in persons over 30 years old and may be few or numerous. (12 Dec 1998) |