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Callous on foot area that is hyperkeratinise lesion.
This is defence mechanism of over body against excessive friction or pressure area.
Generally callous is not painful but deep seated cores called porokeratomas.
Porokeratoma is extreme painful while walking or standing.More common in
diabetes.
Properly maintain your foot hygiene.
Currarage can done this type of porokeratoma.
Salicylic acid can use to remove this lesion.
Sclerotic agent like denaturated alcohol can use to remove the lesion from food.
After currete recurence is common.
Wear a cushioned footwear in foot to prevent this lesion.
Wash your foot by warm water to remove all dust from foot.
Take care.
Thanks.