Wm. Lane M. Robson, MD

A 52-year-old man presented with asymptomatic papules on his scrotum. The lesions had first appeared 1 year earlier. He had not sustained local trauma to the scrotum, and his medical history was unremarkable. There was no family history of similar skin lesions.

A 3-year-old girl discovered lesions on her instep and great toe, where there was significant pressure from the old rubber sandals that she had been wearing.

This 9-year-old girl had a slightlypruritic perioral rash for 6 months.The skin around her mouth wasred, scaly, thickened, and hyperpigmented.She also had eczematouslesions in the antecubital andpopliteal fossae.