The prompt recognition of the clinical features of dermatitis herpetiformis (DH) is important, but securing a definitive diagnosis requires further work-up. Recent advances in understanding of the immunologic basis for DH have led to the development and wider availability of serologic testing, which is rapidly becoming an essential part of the diagnosis and management of DH. Part II of this series will detail the diagnosis, treatment, and follow-up for patients with DH, and will particularly focus on recent advances in the field.
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