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Skin Environmental - Pathology (view source)

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===[[Acral Lick Dermatitis]]===

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===Callus===

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===[[Callus]]===

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*Hypertrophy of epidermis, particularly at pressure points

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*Usually affects giant breed dogs and pigs kept on hard floor

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*May be followed by folliculitis, [[Skin Glossary - Pathology|furunculosis]] and ulceration

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*Microscopically:

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**[[Skin Glossary - Pathology|Hyperkeratosis and acanthosis]] or epidermis and follicular epithelium

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**[[Skin Glossary - Pathology|Comedones]] and follicular cysts may be present, potentially rupture and cause secondary pyoderma

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**Excessive keratin widening follicular openings

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~~[[Category:Integumentary System - Physical Damage]]~~

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===Feline psychogenic alopecia===

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