What are physical manifestations of deep palmoplantar nongenital warts (myrmecia)?

Updated: Sep 25, 2020
  • Author: Philip D Shenefelt, MD, MS; Chief Editor: William D James, MD  more...
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Deep palmoplantar warts also are termed myrmecia. [8] They begin as small shiny papules and progress to deep endophytic, sharply defined, round lesions with a rough keratotic surface, surrounded by a smooth collar of calloused skin (see the image below). Because they grow deep, they tend to be more painful than common warts. Myrmecia warts that occur on the plantar surface usually are found on weight-bearing areas, such as the metatarsal head and heel. When they occur on the hand, they tend to be subungual or periungual.

Plantar warts. Plantar warts.

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