Extremely pruritic excoriation and papules on buttocks with autoantibodies against epidermal transglutaminase and IgA deposition in dermis on immunohistological examination of normal perilesional skin. Diagnosis is? NOT RELATED- DERMATOLOGY: (A) Pemphigus vulgaris, (B) Pemphigoid, (C) Linear IgA disease, (D) Dermatitis herpetiformis
Answer is D. .