Dermatitis herpetiformis.

Dermatitis herpetiformis is a chronic, lifelong disease characterized both by symptomatic, characteristic skin lesions and by a gluten-sensitive, often asymptomatic, enteropathy. Cutaneous findings include intensely pruritic vesicles on symmetrical extensor locations. Treatment for disease may be pharmacologic agents or a gluten-free diet. Evidence for the genetic basis of disease has been elucidated.