Difference between revisions of "Contact Dermatitis"
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+ | *Results due to exposure to chemicals (not immunologic reaction) | ||
+ | **Acids, alkali, detergents, irritant plants ''etc.'' | ||
+ | *In cats and dogs lesions usually on skin of abdomen, feet, chest, eyelids, axillae | ||
+ | *In horses lesions on muzzle, lower limbs, under tack | ||
+ | *Grossly: | ||
+ | **Erythematous [[Skin Glossary - Pathology|pathes and papules]] | ||
+ | **Occasionally [[Skin Glossary - Pathology|vesicles]] | ||
+ | **Lesions caused by self-trauma include [[Skin Glossary - Pathology|ulcers and crusts]] | ||
+ | *Microscopically: | ||
+ | **Hyperplastic, spongiotic dermatitis | ||
+ | **Superficial perivascular inflammation | ||
+ | **Necrosis may be caused by corrosive substances | ||
+ | |||
+ | |||
+ | [[Category:Integumentary System - Chemical Damage]] | ||
+ | |||
[[Category:Allergic Skin Diseases]] | [[Category:Allergic Skin Diseases]] | ||
[[Category:To Do - Clinical]] | [[Category:To Do - Clinical]] |
Revision as of 16:02, 21 February 2011
- Results due to exposure to chemicals (not immunologic reaction)
- Acids, alkali, detergents, irritant plants etc.
- In cats and dogs lesions usually on skin of abdomen, feet, chest, eyelids, axillae
- In horses lesions on muzzle, lower limbs, under tack
- Grossly:
- Erythematous pathes and papules
- Occasionally vesicles
- Lesions caused by self-trauma include ulcers and crusts
- Microscopically:
- Hyperplastic, spongiotic dermatitis
- Superficial perivascular inflammation
- Necrosis may be caused by corrosive substances