History: An 11-year-old Caucasian male presented to the pediatric dermatology clinic with a 2-year history of a non-painful, non-pruritic rash on the neck. He has an uncle with a similar rash on the back.
Past Medical History: Type 1 laryngeal cleft.
Physical Exam: Yellow, pebbly, nearly-confluent plaques on the bilateral lateral neck (Figs.1,2).
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