Warts And Plantar Warts: Exams And Tests


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Exams and Tests


Warts are usually diagnosed based only on their appearance.

In rare cases, more testing is done. If the diagnosis of a skin condition is unclear or if you are at high risk of having skin cancer, your doctor may take a sample of the growth and examine it (a skin biopsy). A biopsy is usually done if a skin growth is darker than the skin surrounding it, appears as an irregular patch on the skin, bleeds, or is large and growing rapidly.

Proper diagnosis of plantar warts is important. Some wart treatments can cause scarring.



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Last updated: September 11, 2008
Author: Caroline Rea, RN, BS, MS
Reviewed By: Kathleen Romito, MD - Family Medicine, Alexander H. Murray, MD, FRCPC - Dermatology
Editors: Susan Van Houten, RN, BSN, MBA, Pat Truman, MATC

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