Unilateral laterothoracic exanthem is a self-limited disease that occurs most commonly in children. It is characterized by unilateral exanthem, often in axillary region. The etiology is unknown, but a viral agent is suspected. We report a 1-year-old white girl with unilateral laterothoracic exanthem associated with Epstein Barr virus infection, suggesting this virus has a possible etiologic role.
From the *Department of Dermatology and Venereology, Hospital São João, Porto, Portugal; and †Faculty of Medicine of Porto, Porto, Portugal.
Accepted for publication November 4, 2008.
Address for correspondence: Ana F. Duarte, MD, Department of Dermatology and Venereology, Hospital São João, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal. E-mail: firstname.lastname@example.org.
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