Difference between revisions of "Allergic Contact Dermatitis"
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(Redirected page to Contact Dermatitis) |
(Created page with "*Usually involves Type IV reaction *Pruritic lesions with self-inflicted trauma *At areas in contact with allergen *Grossly: **Erythema, papules, +/-...") |
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| − | + | *Usually involves [[Type IV Hypersensitivity|Type IV reaction]] | |
| + | *Pruritic lesions with self-inflicted trauma | ||
| + | *At areas in contact with allergen | ||
| + | *Grossly: | ||
| + | **Erythema, papules, +/- vesicles, exudation -> crusts | ||
| + | **If chronic, lichenification, hyperpigmentation, alopecia | ||
| + | *Microscopically: | ||
| + | **Spongiotic superficial perivascular dermatitis | ||
| + | **Mononuclear cells | ||
| + | **If chronic, epidermal hyperplasia | ||
| + | **May involve [[Eosinophils|eosinophils]] | ||
| + | |||
| + | [[Category:Type IV Hypersensitivity Diseases]] | ||
| + | [[Category:Integumentary System - Hypersensitivity Reactions]] | ||
Revision as of 16:32, 22 February 2011
- Usually involves Type IV reaction
- Pruritic lesions with self-inflicted trauma
- At areas in contact with allergen
- Grossly:
- Erythema, papules, +/- vesicles, exudation -> crusts
- If chronic, lichenification, hyperpigmentation, alopecia
- Microscopically:
- Spongiotic superficial perivascular dermatitis
- Mononuclear cells
- If chronic, epidermal hyperplasia
- May involve eosinophils