Cutaneous Reaction – Friday Pop Quiz – 11/30
You are called to evaluate a patient that recently returned from a trip to Mexico with these cutaneous findings. Upon further questioning, he reports being on oral doxycycline for Lyme disease for the past 14 days. What is the major contributor of this cutaneous reaction?
A.) UVA
B.) UVA1
C.) UVB
D.) UVC
E.) Visible Light
To find out the correct answer and read the explanation, click he …
You are called to evaluate a patient that recently returned from a trip to Mexico with these cutaneous findings. Upon further questioning, he reports being on oral doxycycline for Lyme disease for the past 14 days. What is the major contributor of this cutaneous reaction?
A.) UVA
B.) UVA1
C.) UVB
D.) UVC
E.) Visible Light
To find out the correct answer and read the explanation, click he … Continue reading "Cutaneous Reaction – Friday Pop Quiz – 11/30"
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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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 …