A30-year-old male had severely itchy popular vesicular lesions on extremities knee, elbows and buttocks for one year. Direct immunofluorescence staining of the lesions showed IgA deposition at dermo epidermal junction. The most probable diagnosis is:
Ans. a. Dermatitis herpetiformDermatitis herpetiformis is also known as duhring -Brocq disease
Dermatitis herpetiform
Pemphigus vulgaris
Nummular eczema
Bullous pemphigoid
Vesiculobullous (Blistering) Disorders