Extremely pruritic excoriation & papules on buttocks with autoantibodies against epidermal transglutaminase and IgA deposition in dermis on immunohistological examination of normal perilesional skin. Diagnosis is –
High-Yield Explanation
Following information suggest the diagnosis of dermatitis herpetiformis.
Extremely pruritic
Paulo - excoriation
Buttock involved
Antibodies against epidermal transglutaminase
IgA deposition in dermis