Basal Cell Carcinoma – Friday Pop Quiz 1/25
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The patient had an extensive superficial basal cell carcinoma on the forehead treated with topical imiquimod and returned 4-weeks later with this reaction. Which cytokine is not activated by this medication?
A. Tumor necrosis factor (TNF)-α
B. Interferon (IFN)-α
C. Interferon (IFN)-γ
D. Interleukin (IL)-12
E. Interleukin (IL)-4
To find out the correct answer and read the explanation …
The patient had an extensive superficial basal cell carcinoma on the forehead treated with topical imiquimod and returned 4-weeks later with this reaction. Which cytokine is not activated by this medication?
A. Tumor necrosis factor (TNF)-α
B. Interferon (IFN)-α
C. Interferon (IFN)-γ
D. Interleukin (IL)-12
E. Interleukin (IL)-4
To find out the correct answer and read the explanation … Continue reading "Basal Cell Carcinoma – Friday Pop Quiz 1/25"
Which of the sutures shown here has the highest tissue reactivity?
A.) Chromic gut
B.) Polyglactin 910
C.) Polydioxanone
D.) Poliglecaprone 25
E.) Polyglycolic acid
To find out the correct answer and read the explanation, click here.
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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 … 
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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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 … 