<prompt> A middle aged female has flaccid bullae in the skin and oral erosion. Histopathology shows intraepidermalacantholoytic blisters. The most likely diagnosis is:Bullous pemphigoidParaneoplastic pemphigusDermatitis herpetiformisPemphigus vulgaris  <response>: Ans. d. Pemphigus vulgarisFlaccid intraepidermal bullae with oral erosions are seen in pemphigus vulgaris 