Friday Pop Quiz 6/26/2026
A 6-year-old male has painful edema and erythema of his posterior forearms, dorsal hands, and face several hours following sun exposure. He says a tingling and intense, painful burning sensation precede the rash when it occurs, starting immediately after sun exposure. These episodes recover in a few days. Episodes appear seasonal, with increased symptoms in the spring and summer months. Blood leve …
A 6-year-old male has painful edema and erythema of his posterior forearms, dorsal hands, and face several hours following sun exposure. He says a tingling and intense, painful burning sensation precede the rash when it occurs, starting immediately after sun exposure. These episodes recover in a few days. Episodes appear seasonal, with increased symptoms in the spring and summer months. Blood leve … 
This patient also has extensive oral erosions. He tells you his only new medication is dicloxacillin, which he is taking for impetigo. How many days prior to development of the pictured eruption did this patient most likely begin taking dicloxacillin?
A. Hours-2 days
B. 7-21 days
C. 21-56 days
D. 60-90 days
E. >180 days
To find out the correct answer and read the explanation … 
Topical calcineurin inhibitors may offer several benefits over topical steroids in treating the scaly, lichenified periorbital plaques in this patient with atopic dermatitis, including:
A. More cost effective
B. Quicker onset of action
C. Decreased irritant potential
D. Absence of reports of cutaneous atrophy
E. Once daily application
To find out the correct answer and read the … 
Which histologic subtype of the lesion shown is most aggressive?
A. Solid
B. Nodular
C. Superficial
D. Morpheaform
E. All are equal
To find out the correct answer and read the explanation, click here.
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How are these lesions typically distributed?
A. Along the milk line
B. On the palmar surface of the hand
C. Along the lines of blaschko
D. On the trunk
E. On the extremities
To find out the correct answer and read the explanation, click here. …