A wart (also known as a verruca when occurring on the soleof the foot or on toes) is generally a small, rough tumor, typically onhands and feet but often other locations that can resemble a cauliflower or asolid blister.Warts are common, and are caused by a viralinfection, specifically by the human papillomavirus (HPV) and arecontagious when in contact with the skin of an infected person. It is alsopossible to get warts from using condoms or other objects used by an infectedperson. They typically disappear after a few months but can last for years andcan recur.
Types of wart
A range of different types of wart have been identified, varying in shapeand site affected, as well as the type of human papillomavirus involved. Theseinclude
- Common wart (Verruca vulgaris), a raised wart with roughened surface, most common on hands and knees;
- Flat wart (Verruca plana), a small, smooth flattened wart, flesh coloured, which can occur in large numbers; most common on the face, neck, hands, wrists and knees;
- Filiform or digitate wart, a thread- or finger-like wart, most common on the face, especially near the eyelids and lips;
- Plantar wart (verruca, Verruca pedis), a hard sometimes painful lump, often with multiple black specks in the center; usually only found on pressure points on the soles of the feet;
- Mosaic wart, a group of tightly clustered plantar-type warts, commonly on the hands or soles of the feet;
- Genital wart (venereal wart, Condyloma acuminatum, Verruca acuminata), a wart that occurs on the genitalia.
- Periungual wart, a cauliflower-like cluster of warts that occurs around the nails.