However, flat warts can also develop on the hands, lower arms, and legs. Flat warts can be light brown and develop most often on the forehead and cheeks. Flat wartsįlat warts, or plane warts, are slightly raised and smooth in appearance. Mosaic warts are paler and flatter than plantar warts. However, mosaic warts can cover areas anywhere on the sole of the foot. This inward growth can cause pain and create the feeling of a pebble stuck in the person’s shoe.Īccording to a 2019 article, mosaic warts appear in clusters, usually on the ball of the foot or the toes. Plantar warts resemble thick, calloused skin, often with black dots on the surface.īecause plantar warts tend to develop on the soles, they are often flat, and a person can push them inward as they walk. Doctors often refer to plantar warts that grow on the soles of the feet and toes as verrucas. Plantar warts usually occur on the feet or ankles. Some common warts contain tiny, seed-like black dots.Ī common wart that resembles a cauliflower in appearance is known as a butcher’s wart. Sometimes, common warts develop on the knees.Ĭommon warts usually occur in areas of broken skin, such as around bitten fingernails or where someone has pulled a hangnail.Ĭommon warts are rough in texture and can vary in size from a pinhead to pea size. The location of the wart and its appearance will determine which sort of wart a person has: Common wartsĪccording to the AAD, common warts often develop on the fingers, nails, toes, or the back of the hand.

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