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Unusual presentation of acute annular urticaria: a case report
Gilles Guerrier1, Jean-Marc Daronat, Roger Deltour
1Epicentre, 75011 Paris, France ; Agence de Santé, Mata Utu, 986 Wallis, France.
Abstract:
Acute urticarial lesions may display central clearing with ecchymotic or haemorrhagic hue, often misdiagnosed as erythema multiforme, serum-sickness-like reactions, or urticarial vasculitis. We report a case of acute annular urticaria with unusual presentation occurring in a 20-month-old child to emphasize the distinctive morphologic manifestations in a single disease. Clinicians who care for children should be able to differentiate acute urticaria from its clinical mimics. A directed history and physical examination can reliably orientate necessary diagnostic testing and allow for appropriate treatment.
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