Quantcast Calluses can be thick, hard, and painful. This image displays a callus that has been treated with silver nitrate. This image displays callouses at the tops of both great toes as well as toenail changes from repeated pressure. This image displays callouses on the palms from work involving friction to these areas. Calloses develop wherever the skin is exposed repeatedly to pressure or friction, as displayed on these hands. This image displays callous areas of the upper toes, which are darker in this black patient.
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Callus:
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Picture of Callus: Calluses can be thick, hard, and painful. Divider line
Calluses can be thick, hard, and painful.
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Overview
A callus (tyloma) is a thickening of the skin that occurs in response to excessive, repeated shear or friction forces, commonly due to constant rubbing of the skin. Calluses are similar to corns, but calluses occur when abnormal forces are exerted over a larger area. Certain deformities of the feet, such as crookedness of the toes, may predispose to the development of calluses. Calluses may cause pain, typically a burning sensation. Excessive weight bearing and certain types of shoes are often contributing factors.
Last Modified: 22 Dec 2008

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