<prompt> Flaccid bullae with mucosal involvement and intraepidermal acantholysis are characteristic of?Pemphygus vulgarisPemphigus foliaceousPsoriasisVitiligo  <response>: Ans. is a i.e., Pemphygus vulgaris Among the given options, two are vesicullabullous disorders :- Pemphigus vulgaris Pemphigus foliaceous Both of these cause flaccid bullae with intraepidermal blisters. but, mucosal involvement is common in pemphigus vulgaris not in P foliaceous. 