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Allergic Contact Dermatitis (view source)
Revision as of 16:32, 22 February 2011
, 16:32, 22 February 2011Created page with "*Usually involves Type IV reaction *Pruritic lesions with self-inflicted trauma *At areas in contact with allergen *Grossly: **Erythema, papules, +/-..."
*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]]
*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]]