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A corn (or clavus, plural clavi) is a cone-shaped callus that penetrates into the dermis, usually on the feet or hands. Corns may form due to chronic pressure or rubbing at a pressure point (in this skin over a bone), or due to scar tissue from a healing wound creating pressure in a weight-bearing area such as the sole of the foot.
A herpetic whitlow is a herpes lesion , typically on a finger or thumb, caused by the herpes simplex virus (HSV). Occasionally infection occurs on the toes or on the nail cuticle. Occasionally infection occurs on the toes or on the nail cuticle.
Fractures of the fingers occur when the finger or hands hit a solid object. Fractures are most common at the base of the little finger (boxer's fracture). Nerve injuries occur as a result of trauma, compression or over-stretching. Nerves send impulses to the brain about sensation and also play an important role in finger movement.
However, this white skin should not be confused with the pale, whitish appearance of the new epithelial tissue in a healing wound. Although most maceration clears up quickly once the skin is exposed to fresh air and allowed to dry, sometimes skin that experiences long periods of maceration is vulnerable to fungal and bacterial infection .
Timing is important to wound healing. Critically, the timing of wound re-epithelialization can decide the outcome of the healing. [11] If the epithelization of tissue over a denuded area is slow, a scar will form over many weeks, or months; [12] [13] If the epithelization of a wounded area is fast, the healing will result in regeneration.
A whitlow or felon is an infection of the tip of the finger. [ 1 ] [ 2 ] [ a ] Herpetic whitlow and melanotic whitlow (subungual melanoma) are subtypes that are not synonymous with the term felon . A felon is an "extremely painful abscess on the palmar aspect of the fingertip". [ 6 ]
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Clavus papillari – a painful corn surrounded by a white border, which is either bruised or gelatinous tissue Clavus neurofibrosus (or fibrosus ) – an old, deep scarred corn (in a crater with a white, sometimes macerated border) that is traversed by nerves and connective tissue, thought to be scar tissue caused by chronic low-grade inflammation.