A 47-year-old woman presented with painful ulcers and white lesions on her gingiva, tongue, and buccal mucosa of 6 months' duration. Biopsy of one of the white areas showed hyperkeratosis, basal cell destruction, and an intense lymphocytic infiltrate subjacent to the epithelium. This patient most likely has:
a. Lichen planus
b. Mucous membrane pemphigoid
c. Pemphigus vulgaris
d. White sponge nevus
e. Behçet's syndrome
A
Health Professions