Excoriation and Fissure
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Excoriation
Erosion or ulceration caused by scratching, biting or rubbing.
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Excoriation is usually seen as a consequence of moderate or severe
pruritus.
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Fissure
Linear split through the epidermis into the underlying dermis.
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Click to zoom
Severe footpad hyperkeratosis with fissures
(arrow) in a dog with necrolytic migratory erythema |
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Fissures are usually seen as a consequence of a loss
of skin elasticity. In dogs with the so-called hepatocutaneous
syndrome, footpad hyperkeratosis and fissuring often leads to lameness.
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