Warts occurring on the heel, metatarsal head, or between the metatarsals are called plantar warts, mostly caused by human papillomavirus, a type of common wart.

bubble_chart Diagnosis

1. There is obvious tenderness upon palpation;
2. The skin lesion presents as a round, papillary hyperkeratosis surrounded by a thickened keratin ring, often with scattered small black dots on the surface. Upon removal of the superficial keratin layer, a loose keratin core can be seen;
3. It commonly occurs on the heel, metatarsal heads, or intermetatarsal pressure points.
4. It commonly occurs on the heel, metatarsal heads, or intermetatarsal pressure points;
5. The skin lesion presents as a round, papillary hyperkeratosis surrounded by a thickened keratin ring, often with scattered small black dots on the surface. Upon removal of the superficial keratin layer, a loose keratin core can be seen;
6. There is localized tenderness upon palpation.

bubble_chart Treatment Measures

1. Apply corn plaster or topical 5-Fu ointment, wart remover.
2. Superficial X-ray radiotherapy or acupuncture treatment.
3. CO₂ laser or liquid nitrogen cryotherapy.

bubble_chart Cure Criteria

1. Cure: The plantar wart completely subsides.
2. No cure: The plantar wart remains unchanged or partially subsides.