History A 22-month old boy with three week history of asymptomatic progressive erythematous eruption. No preceding fever or respiratory tract infection. No family members affected.
Physical Examination Erythematous 1-4 mm papules on face, trunk and extremities. Minimal involvement on midline chest and abdomen. Marked involvement of lateral trunk with coalescence into raised geographic plaques. Cervical adenopathy was present.
Laboratory Epstein-Barr antibodies present in high titer. Slight elevation of serum LDH and alkaline phosphatase. Total white blood cell count normal with slight lymphocytosis.
