What Are Corns And Calluses And Why Do They Appear?
Corns or calluses are a type of localized hardening with greater prevalence on the soles of the feet. They are also often known as helomas .
This condition is often seen in athletes and in patients who are exposed to uneven frictional force from footwear or gait problems. This includes older adults, patients with diabetes, and amputees.
What are corns or calluses?
Corns or calluses are common, uncomfortable, and thickened skin lesions. They result from repeated mechanical trauma due to friction or pressure forces that occur on the skin.
People with dark pigmented skin are more likely to develop corns. In addition, they are more closely located on the feet, in the regions of the back of the fingers, the last interdigital space and the soles.
What are the symptoms and signs?
This type of hyperkeratosis usually presents as a dry, hard, rough, flesh-colored papule with a whitish center. This central region is called the nucleus . In turn, they are preferably located on a bony prominence.
They are painful when walking and standing, but asymptomatic to the touch. On the other hand, as keratin growth and thickening increases, corns and calluses can cause severe pain.
Corns are sometimes difficult to distinguish from plantar warts. However, if the doctor exerts finger pressure perpendicular to the callus, the callus will come into contact with the bony prominence and the patient will feel pain. This maneuver is usually not painful in the case of warts.
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