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Wheezing Infant w/ Widespread Rash - Let's Diagnose

oct15quiz.jpgParents of a 4-month-old brought her to urgent care when they noticed multiple hyperpigmented macules widespread across the front and back of her trunk when changing her diaper. They told the doctor she had also started wheezing in the last hour.

Could it be urticaria pigmentosa? Bullous impetigo? Ephelides? Juvenile xanthogranuloma?

Check out our differential in VisualDx.

The correct answer is ...

About VisualDx

VisualDx is an award-winning diagnostic clinical decision support system that has become the standard electronic resource at more than half of U.S. medical schools and more than 1,500 hospitals and institutions nationwide.  VisualDx combines clinical search with the world's best medical image library, plus medical knowledge from experts to help with diagnosis, treatment, self-education, and patient communication. Expanding to provide diagnostic decision support across General Medicine, the new VisualDx brings increased speed and accuracy to the art of diagnosis. Learn more at