Dermatitis :: Features of urticarial dermatitis

Urticarial dermatitis seems to be a useful histological and clinical term for a subset of the dermal hypersensitivity reaction pattern.

Histopathological features of urticarial dermatitis:

– Slight epidermal spongiosis with superficial perivascular lymphocytes and interstitial eosinophils
– Perivascular eosinophils that spill interstitially into the surrounding dermis

Clinical features of urticarial dermatitis:

A, Urticarial papules and plaques.
B, Urticated erythematous patches.
C, Urticated papules predominating.
D, Dusky urticated plaques.

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