A 60 year's old male patient presented with blisters over trunk and thighs for 2 weeks. Lesions are mildly itchy. On examination blisters were tense with erythematous base. Nikolsky's sign is negative. There was no mucosal involvement.
Pemphigus vulgaris Pemphigus vegetans Bullous pemphigoid Dermatitis herpetiformis