Eczematous
Dermatitis
(Spongiotic
Dermatitis)
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Epidemiology:
Common sites:
Gross features:
- early:
- pruritic
- red
- papulovesicular
- oozing / crusted
- chronic:
Histologic features:
- early:
- spongiosis
- intraepidermal
vesicles
- superficial,
perivascular, lymphocytic infiltrate
- papillary dermal edema
- drug-related
eczematous dermatitis:
- eosinophils
- lymphocytic
infiltrate extending around deep as well as superficial dermal vessels
- chronic:
- acanthosis
- hyperkeratosis
Immunophenotype:
Marker:
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Sensitivity:
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Specificity:
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Molecular features:
Other features:
- clinical
categories:
- allergic contact
dermatitis
- atopic dermatitis
- drug-related
eczematous dermatitis
- photoeczematous
dermatitis
- primary irritant
dermatitis
- “eczema” – to boil
over (greek)
- prone to bacterial
superinfection, forming a crust (impetiginization)
References: