Diagnose This Zebra: Refractory chronic urticaria signals rare disorder
By Cheryl Guttman Krader | Reviewed by and from the files of Joseph Kamel, DO, and Neil Korman, MD, PhD CASE HISTORY A 46-year-old Caucasian man presented with a 3-year history of a widespread pruritic evanescent eruption (Figures 1 A-C). He had previously seen dermatologists and allergists who had diagnosed idiopathic chronic spontaneous urticaria. The […]