A 50 year old male known case of myasthe-nia with erythemated shallow erosions with few blisters and scales. Oral mucosa is not involved. Immunopathology demonstrates IgG deposition on keratinocytes and auto antibodies against Dsg -1. The diagnosis is
Pemphigus vulgaris Bullous pemphigoid Pemphigus foliaceus Dermatitis herpetiformis