Audio Qbank – Q211 – A 68M with blistering

 

A 68-year-old man comes to the GP because of a one-week history of blistering. Examination shows tense bullae and sloughing of the skin across the chest, abdomen, and arms. There are no oral lesions. A skin biopsy is performed and immunofluorescence shows a net-like pattern. Which of the following is the most likely target of the autoantibodies produced by this patient?

 

 

Adherens junction
Desmoglein 
Gap junction
Hemidesmosome
Tight junction

 

Cut-to-the-chase Answer (0:42):
HY USMLE Answer (5:57):