A Pruritic, Polygonal, Papular, Rash on a 10-year-old Boy

It's after lunch in the acute care clinic and your nurse opens the afternoon by telling you that a difficult dermatology case awaits. You're no stranger to this kind of challenge and enter the exam room with great confidence.The patient: a 10-year-old boy with a history of numular eczema and a recent 2-week history of a widespread rash. Follow the case and its clues in the slides above. You may need to draw on your memory of medical school Derm 101 to generate your diagnosis.