A mosaic wart is defined as a tightly packed grouping of many individual planter type warts. The grouping is often described as a plaque and is irregular in shape. The affected area also varies in depth, with some areas being higher whereas other skin areas are lower. The plaque can become very thick and dry. Because of the skin dryness, cracks can develop, making this skin condition even more uncomfortable. These clusters of warts bleed readily when abraded because of the many small capillaries that are present.
Because mosaics are planter like warts, many of the properties of plantar warts also apply. To find out more about plantar warts, visit this plantar warts page.
Mosaic type warts are found mainly on the sole of the foot and sometimes on the hands and even other parts of the body. The mosaic plantar wart clusters can grow to be quite large. It is not usual for the mosaic foot wart to cover much of the bottom surface of the foot. The cluster may be up to several centimeters in diameter.
Treatment of mosaic foot warts is significantly more difficult than a solitary planter wart. This is especially true when the mosaic planter warts cover a large portion of the skin on the foot. Cryotherapy can be effective, but needs to be very aggressive and does not work completely in every patient. Surgical removal is not very effective because of the frequent reoccurrence of the warts in the scar tissue. Whatever treatment is used, several attempts to cure are often required to achieve complete elimination with no reoccurrence.
Additional information on types of warts and other related topics is below: