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A corn is a skin lesion of hard compacted area of dead skin.
It can form a hard “seed” or “corn” in the centre of surrounding callous (hard skin). Often the toe can be too long or bent (such as a hammertoe), which raises the knuckle that rubs against the shoe and causes the corn to form. The same treatment (below) can be used for patients with dark or light skin corn lesions (hyper or hypo-pigmentation). Many of our Asian and Afro Caribbean patients undertake surgical corn removal.
Why do we seem to only have corns on the feet?
Because we encase the feet in a hard shoe, any regular pressure against a prominent toe joint can cause a callous or corn or multiple corns. The feet uniquely take the whole of the body weight and when this is combined with shoe pressure, the corn or corns are formed.
Why won’t it go?
Despite padding, chemical applications such as corn plasters and chiropody treatment, corns are normally very stubborn and unsightly in open footwear and sandals. What is often overlooked is that underneath the corn there is a lump of inflamed tissue which forms, called a bursa. This forms in response to soft-tissue inflammation over either of the small knuckle. This then further increases the pressure underneath the corn, making it more sore and prominent.