A 72-year-old woman presents to the emergency department with a 2-week history of multiple, tense blisters on her trunk and extremities. The blisters are pruritic, and some have ruptured, leaving erosions. She denies any recent medication changes or new exposures.
Which of the following is the most likely diagnosis?
A
Pemphigus vulgaris
B
Bullous pemphigoid
C
Dermatitis herpetiformis
D
Linear IgA bullous dermatosis
E
Epidermolysis bullosa acquisita