Friday Pop Quiz 3/13/2026
A 75-year-old man presents with tense bullae as pictured. DIF reveals linear IgG and C3 at the dermal-epidermal junction. On salt-split skin, immunoreactants are localized to the roof of the specimen. What is the target antigen?
A. Type VII Collagen
B. Type XVII collagen (BP180)
C. Laminin 332
D. Desmoglein 1
E. Integrin α6β4
To find out the correct answer and read the expl …
A 75-year-old man presents with tense bullae as pictured. DIF reveals linear IgG and C3 at the dermal-epidermal junction. On salt-split skin, immunoreactants are localized to the roof of the specimen. What is the target antigen?
A. Type VII Collagen
B. Type XVII collagen (BP180)
C. Laminin 332
D. Desmoglein 1
E. Integrin α6β4
To find out the correct answer and read the expl …