A 85-year-old female developed multiple blisters on the trunk and thighs. Nikolsky's sign is negative. The lesions came on and off. The most probable diagnosis is
APemphigus vulgaris
BBullous pemphigoid
CLepra reaction
DLichen planus
Acantholytic cells in pemphigus are derived from:
AStratum spinosum
BStratum basale
CStratum granulosum
DLangerhans cells
Which of the following statements is true regarding pemphigus vulgaris?
AIt primarily affects the dermal-epidermal junction.
BIt is a subepidermal blistering disease.
CIt is an intraepidermal blistering disease.
DAntibodies are formed against basement membrane proteins.
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