Unilateral laterothoracic exanthem

摘要: Abstract Background: Four years ago, we began seeing young children with an unusual, predominantly unilateral, morbilliform and eczematous, self-limited cutaneous eruption. It appeared to correspond unilateral laterothoracic exanthem (ULE) reported from France eruption described as "a new papular erythema of childhood" in the United States. Objective: We conducted a prospective study ULE define its clinical evolution, pathology, therapy. In addition, performed epidemiologic microbiologic investigations attempt determine cause ULE. Method: studied 48 some patients, blood, urine, stool, well skin biopsy specimens were analyzed. Results: is morbilliform, eczematous that often begins close axilla spreads become bilateral, although it usually retains predominance. Patients' mean age at onset 24.3 months, female predominance (2:1) duration 5 weeks, followed by spontaneous resolution may or not be improved topical corticosteroids. characterized unique eccrine lymphocytic infiltration. Although signs infection most no one infectious agent was identified. No significant factor found. Conclusion: ULE, children, scarlatiniform represent specific reaction more agents.