Background: Infective dermatitis (ID) is a rare dermatologic condition of childhood that has been linked to human T-cell lymphotropic virus type 1 (HTLV-1).
Objective: To analyze the clinical and laboratory features associated with adult-onset ID linked to HTLV-1.
Methods: From December 1995 to December 2007, four patients with ID were followed in the dermatology outpatient clinic of the "Hospital das Clínicas" of the University of São Paulo Medical School, São Paulo, Brazil.