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Plantar wart in Adult
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Plantar wart in Adult

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Contributors: Romi Bloom MD, Noah Craft MD, PhD, Lindy P. Fox MD, Susan Burgin MD
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Synopsis

Plantar warts are common, superficial skin growths caused by human papillomavirus (HPV) types 1, 2, and 4. Plantar warts are thick hyperkeratotic papules / plaques that often form on pressure points such as the ball of the foot and the heel, but they may occur anywhere on the sole. Plantar warts can be asymptomatic; however, they may become callused and painful with pressure or with walking. They are slightly more common in females, young children, and immunocompromised patients.

HPV types 1, 2, and 4 are ubiquitous in the environment. The virus is frequently transmitted from person to person through exposure on locker room floors, public showers, and pool areas.

Codes

ICD10CM:
B07.0 – Plantar wart

SNOMEDCT:
63440008 – Plantar wart

Look For

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Diagnostic Pearls

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Differential Diagnosis & Pitfalls

  • A clavus, or corn, is a painful hyperkeratotic lesion with a central core that lacks pinpoint thrombosed capillaries and retains normal skin dermatoglyphics. Clavi occur in sites of pressure and repeated friction.
  • Foreign body reaction, which may have a history of trauma or inoculation.
  • Acquired digital fibrokeratoma tends to have a smoother and more pedunculated appearance with a collarette of normal skin.
  • Squamous cell carcinoma can arise in preexisting warts and may be recalcitrant to therapy.
  • If the patient has recently traveled to a tropical area, consider tungiasis (infestation with a burrowing flea into the sole of the foot). Look for a firm, white papule with a central black dot.
  • Amelanotic melanoma is a diagnostic challenge. Amelanotic melanomas may occur on the soles and toes and in the toe webs. They may present as skin-colored or pink macules, papules, or nodules (sometimes with scale).

Best Tests

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Management Pearls

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Therapy

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References

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Last Reviewed: 08/08/2018
Last Updated: 08/08/2018
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Plantar wart in Adult
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Plantar wart : Plantar foot
Clinical image of Plantar wart
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