Friday Pop Quiz 1/16/2026
Mutations in which gene would likely be found in the neoplastic cells of this lesion?
A. PATCH
B. p53
C. Fumarate hydratase
D. CREBBP
E. p63
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Mutations in which gene would likely be found in the neoplastic cells of this lesion?
A. PATCH
B. p53
C. Fumarate hydratase
D. CREBBP
E. p63
To find out the correct answer and read the explanation, click here.
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*Brand partners had no involvement in the content of the questions or answers. … 
What is the most likely diagnosis based on the following dermoscopic photograph of this asymptomatic lesion?
A. Squamous cell carcinoma
B. Angioma
C. Clear cell acanthoma
D. Basal cell carcinoma
E. Psoriasis
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This patient should be treated with what medication to avoid further scarring?
A. Topical tretinoin
B. Minocycline
C. Isotretinoin
D. Spironolactone
E. Bactrim
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Image creadi … 
What is the underlying gene defect for this transgrediens form of palmoplanter keratoderma?
A. SLURP-1
B. TOC gene
C. Plakoglobin
D. Keratin type 1
E. Keratin type 9
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What immunohistochemical stain is most likely to be positive in this condition?
A. HPV
B. HHV-8
C. PAS
D. S100
E. CD207
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