A patient has painful lesions on her buccal mucosa. Biopsy report shows acantholysis and supra basilare, your diagnosis is:
A. Pemphigus vulgaris
B. Bulla lichen planus
C. Erythema multiform
D. Systemic lupus erythematosus
A. Pemphigus vulgaris
B. Bulla lichen planus
C. Erythema multiform
D. Systemic lupus erythematosus