|
|
(2 intermediate revisions by the same user not shown) |
Line 1: |
Line 1: |
− | ==Chemical damage==
| + | #REDIRECT[[:Category:Integumentary System - Environmental Pathology]] |
− | ===[[Contact Dermatitis]]===
| |
− | | |
− | ===[[Ergot Poisoning]]===
| |
− | | |
− | | |
− | | |
− | ===[[Fescue Poisoning]]===
| |
− | | |
− | | |
− | ===[[Selenium Poisoning]]===
| |
− | | |
− | | |
− | ==Physical damage==
| |
− | | |
− | ===[[Acral Lick Dermatitis]]===
| |
− | | |
− | ===[[Callus]]===
| |
− | | |
− | ===[[Feline Psychogenic Alopecia]]===
| |
− | | |
− | | |
− | | |
− | ===[[Injection Site Reaction]]===
| |
− | | |
− | | |
− | ===[[Intertrigo]]===
| |
− | | |
− | | |
− | ===[[Pyotraumatic Dermatitis]]===
| |
− | | |
− | | |
− | | |
− | ===[[Radiation Damage]]===
| |
− | | |
− | | |
− | | |
− | ===[[Low Temperature Damage]]===
| |
− | | |
− | | |
− | | |
− | ===[[High Temperature Damage]]==
| |
− | | |
− | | |
− | ==Sunlight damage==
| |
− | *Transient erythema may develop into sunburn erythema (warmth, swelling, pain)
| |
− | *Diffusion of inflammatory mediators (''e.g.'' cytokines) from damaged keratinocytes and endothelial cells
| |
− | *Photooxidation of existing melanin -> pigment darkening
| |
− | *Melanogenesis
| |
− | *Immune responses of skin are reduced by UV light
| |
− | | |
− | | |
− | [[Category:Integumentary System - Sunlight Damage]] | |
− | | |
− | | |
− | ===[[Solar Dermatosis and Neoplasia]]===
| |
− | | |
− | | |
− | ===[[Solar Dermatitis]]===
| |
− | | |
− | ===[[Photosensitisation]]===
| |
− | | |
− | ===Photoenhanced dermatoses===
| |
− | *Many [[Skin Immunologic - Pathology|immune-mediated]] cutaneous disease are made worse by sunlight
| |
− | **Lupus erythematosus
| |
− | **Dermatomyositis
| |
− | **Pemphigus erythematosus
| |
− | *Vasculitis in extremities, especially white-haired horses
| |
− | *Grossly:
| |
− | **Erythematous, well circumscribed crusted lesions or hyperkeratotic [[Skin Glossary - Pathology|plaques]]
| |
− | *Microscopically:
| |
− | **Vasculitis of superficial dermal vessels
| |
− | **Thrombi may be seen
| |
− | | |
− | [[Category:Integumentary System - Sunlight Damage]]
| |