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
… 
The patient developed this cutaneous adverse reaction 2 weeks after starting a clinical trial medication. What is the mechanism of action of the culprit medication?
A). Epidermal growth factor receptor (EGFR) inhibitor
B.) Tumor necrosis factor (TNF)-alpha inhibitor
C.) Smoothened inhibitor
D.) BRAF inhibitor
E.) Programmed cell death (PD)-1 inhibitor
To find out the correct answer a … 
Topic: Cyst Removal
A.) Branchial cleft cyst
B.) Branchial cleft sinus
C.) Thyroglossal cyst
D.) Thyroglossal sinus
E.) Bronchogenic cyst
To find out the correct answer and read the explanation, click here.
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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 … 
This week's topic: Identifying nerve injury after a Mohs procedure
A.) C2 and C3
B.) Supraclavicular nerve
C.) CN XI
D.) CN VII
E.) CN IX
To find out the correct answer and read the explanation, click here.
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