Patient with gluten sensitive enteropathy has a lifelong background of periodic crops of intensely pruritic, grouped, papular or vesicular lesions on the elbows, knees, sacrum and shoulders. Since the vesicles are intensely pruritic, the patient regularly scratches the top off them, which relieves pruritis. What is the most probable diagnosis
Bullous pemphigoid Dermatitis herpetiformis Herpes simplex 1 Pemphigus vulgaris