A middle aged female has flaccid bullae in the skin and oral erosion. Histopathology shows intraepidermal acanthololytic blisters. The most likely diagnosis is –
Clues given are :-


Flaccid bullae
Oral erosion (mucosal involvement)
Intraepidermal acantholysis


Diagnosis is pemphigus vulgaris.
Pemphigus vulgaris
Paraneoplastic pemphigus
Bullous pemphigoid
Dermatitis hepatiformis