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A case of Gianotti Crosti syndrome with HBV infection.

Gianotti-Crosti syndrome (papular acrodermatitis of childhood), which was first described in 1955, is a nonspecific rash that usually consists of the abrupt onset of pink flesh coloring, smooth or lichenoid, flat-topped papules. It was first related to hepatitis B virus (HBV) infection; however, cases not associated with HBV infection were reported as well. Although a type of delayed hypersensitivity reaction is speculated as a cause, exact pathogenesis still remains unclear. The prognosis is favorable and successful management relies upon general supportive and symptomatic care. We report a seven-year-old boy diagnosed with Gianotti-Crosti syndrome with monomorphous papules on his cheeks, buttocks and extremities associated with hepatitis B virus infection.