Warts are benign tumors that commonly
involve the skin and other epithelial tissues. The
etiologic agents for these infections are a class
of double-stranded DNA viruses called papillomaviruses.
Warts are generally classified by their clinical
features and morphology (e.g., common, flat, filiform)
or by location (e.g., genital, plantar, respiratory
More information on this and other dermatologic conditions at our
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