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[Correspondence] Coeliac disease and dermatitis herpetiformis

We read with interest the Seminar about coeliac disease by Benjamin Lebwohl and colleagues (Jan 6, p 70).1 However, dermatitis herpetiformis was not listed among the indications that should prompt testing for coeliac disease. Dermatitis herpetiformis is an itchy, blistering skin condition that appears on elbows, knees, and buttocks, with granular IgA deposits in the papillary dermis of perilesional skin.2 More than 90% of patients with dermatitis herpetiformis have an associated gluten-sensitive enteropathy upon endoscopic examination.