Friday Pop Quiz 10/30/2026
A 20 year old female patient presents with the following painful, eroded and crusted rash in her axillae. She reports she has family members with a similar diagnosis. What is the mode of inheritance of this condition?
A. Autosomal dominant
B. Autosomal recessive
C. X-linked dominant
D. X-linked recessive
E. It is not a genetic disorder
To find out the correct answer and read th …
A 20 year old female patient presents with the following painful, eroded and crusted rash in her axillae. She reports she has family members with a similar diagnosis. What is the mode of inheritance of this condition?
A. Autosomal dominant
B. Autosomal recessive
C. X-linked dominant
D. X-linked recessive
E. It is not a genetic disorder
To find out the correct answer and read th … 
The pathology of this lesion demonstrates reticulate strands of the epidermis with clefting between the strands and the stroma. What is the diagnosis?
A. Eccrine syringofibroadenoma
B. Fibroepithelioma of Pinkus
C. Squamous cell carcinoma
D. Reticulate seborrheic keratosis
E. Tumor of the follicular infundibulim
To find out the correct answer and read the explanation, click her … 
What would this lesion most likely stain with?
A. S100
B. MART1
C. Giemsa
D. Congo Red
E. Von Kossa
To find out the correct answer and read the explanation, click here.
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A 26-year-old man with a history of cystic fibrosis initiated a new cystic fibrosis medication two months ago. Approximately one week ago, the patient noticed the abrupt onset of papules on his upper back, as shown, for which he has tried using a benzoyl peroxide wash without improvement. Which of the following is the most appropriate next step?
A. Cessation of cystic fibrosis medication
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