Compared to their counterparts on the hand, plantar warts are compressed lesions due to normal weight-bearing. They are caused by various strains of the human papillomavirus, lack skin lines traversing throughout, and have small black pinpoints which represent thrombosed capillaries (see Figure 4). Pain can be generally elicited by squeezing the lateral sides of the wart together. These lesions can manifest as a sharp, shooting pain to a feeling of fullness under the foot while walking. Various treatments exist with variable levels of success: salicylic acid, liquid nitrogen/cryotherapy, pulse-dye laser, bleomycin, and surgical excision (Esterowitz, Greer, Cooper, & Edlich, 1995; Oumeish & Parish, 2002).
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Cite this: Foot Care from A to Z - Medscape - Sep 01, 2010.