Warts (popularly known as nevi) are excrescencesbenign skin (non-cancerous) lesions caused by infection of the skin or mucous membranes with Human Papillomavirus (HPV).
- Common warts (verruca vulgaris):They appear on hands, fingers or around nails; they have a rough, bumpy appearance, like small nodules.
- Plantar warts:Developed on the soles of the feet, they are often painful during walking due to pressure, resembling a callus.
- Flat warts:Small and smooth, they appear frequently on the face, neck or hands, being more common in children.
- Filiform warts:They have an elongated, thin shape, and usually appear on the neck, eyelids or armpits.
- Cause:Infection with one of over 100 HPV strains, which penetrate the skin through small wounds, cuts or fissures.
- Transmission:Through direct contact with an infected person or indirectly, through wet surfaces (swimming pools, locker rooms, public showers) or contaminated objects (towels).