A distinctive erythematous macular exanthem of the adult: a new entity?

The British Journal of Dermatology
F DragoA Rebora

Abstract

Delineating a new exanthem is difficult. Atypical or modified types of already known conditions can easily be mistaken for new entities. To report 29 cases of an acute, self-limiting exanthem never described before. Clinical description, serology, polymerase chain reaction (PCR) and other laboratory investigations. The eruption starts with bright pink-red slightly oedematous macules symmetrically arranged on the trunk. The lesions tend to coalesce, and spread to the limbs on which they may acquire a marginated annular appearance. The lesions invariably spare the face (including oral mucous membranes), palms and soles. The eruption is pruritic and lasts 20-30 days, clearing spontaneously. The disease has a predilection for men aged 17-56 years and occurs mostly between spring and summer. Serological tests, PCR assays and investigations for bacteria, parasites or viruses were consistently negative. The clinical picture does not recall any of the classical exanthems or their atypical forms.

References

Jun 1, 1979·Annals of Internal Medicine·D B MartinD C Blair
Nov 1, 1989·Journal of the American Academy of Dermatology·C BialeckiJ M Grant-Kels
Apr 1, 1983·Current Problems in Pediatrics·J D Cherry
May 10, 1997·Lancet·F DragoA Rebora

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