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We diagnosed plantar warts. The patient’s lesions disrupted skin lines and contained black dots—thrombosed capillaries—which are typical of plantar warts, whether they are on the soles of the feet or over the palmar aspect of the hand and fingers. Like other warts, plantar warts are caused by human papillomavirus.
Treatment options include cryotherapy, topical salicylic acid, trichloroacetic acid, imiquimod, intralesional Candida antigen, and intralesional bleomycin. The patient chose cryotherapy with liquid nitrogen spray. The plantar warts fully resolved after 2 cycles of cryotherapy.
Photos and text for Photo Rounds Friday courtesy of Richard P. Usatine, MD. This case was adapted from: Mayeaux EJ. Plantar wart. In: Usatine R, Smith M, Mayeaux EJ, Chumley H, Tysinger J, eds. The Color Atlas of Family Medicine. New York, NY: McGraw-Hill; 2009:535-538.
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