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Skin Environmental - Pathology (view source)

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===[[Photosensitisation]]===

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===Photoenhanced ~~dermatoses~~===

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===[[Photoenhanced Dermatoses]]===

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*Many [[Skin Immunologic - Pathology|immune-mediated]] cutaneous disease are made worse by sunlight

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**Lupus erythematosus

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**Dermatomyositis

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**Pemphigus erythematosus

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*Vasculitis in extremities, especially white-haired horses

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*Grossly:

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**Erythematous, well circumscribed crusted lesions or hyperkeratotic [[Skin Glossary - Pathology|plaques]]

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*Microscopically:

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**Vasculitis of superficial dermal vessels

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**Thrombi may be seen

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

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