Tests and diagnosis

By Mayo Clinic Staff

In most cases, your doctor can diagnose a plantar wart by examining the lesion on your foot. If there's any doubt, your doctor may need to pare down the lesion with a scalpel. Plantar warts will show signs of dark, pinpoint dots — tiny clotted blood vessels.

If there's still doubt about the diagnosis, your doctor may remove a small section of the lesion (shave biopsy) and send it to a laboratory for analysis.

May. 03, 2011