| Line 1: |
Line 1: |
| − | *Usually involves [[Type IV Hypersensitivity|Type IV reaction]] not just [[Contact Dermatitis|contact dermatitis]]
| + | #redirect[[Contact Dermatitis]] |
| − | *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]]
| |