Nodule Biopsy – Friday Pop Quiz – 11/23
A nodule biopsy is performed from a 70-year-old woman's arm. The histology is shown here. What is the diagnosis best stained with?
A.) CD56
B.) CEA
C.) S-100
D.) TTF-1
E.) CK5-6
To find out the correct answer and read the explanation, click here.
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A nodule biopsy is performed from a 70-year-old woman's arm. The histology is shown here. What is the diagnosis best stained with?
A.) CD56
B.) CEA
C.) S-100
D.) TTF-1
E.) CK5-6
To find out the correct answer and read the explanation, click here.
Brought to you by our Brand Partner
… 
You are called to evaluate a patient with a new onset vesicular eruption that developed 7 days after starting intravenous vancomycin.
At what level of the dermoepidermal junction is the target antigen found?
A). Lamina lucida
B.) Lamina densa
C.) Sublamina densa
D.) Basal keratinocyte
E.) Lamina reticularis
&n … 