Friday Pop Quiz 7/31/2026
A 29-year-old woman with Fitzpatrick skin type III presents with a history of recurrent erythematous plaques on her forearms after brief sun exposure, especially during the spring and early summer. She reports no systemic symptoms and no photosensitizing medications. Biopsy confirms findings consistent with polymorphous light eruption (PMLE). She wants a sunscreen that will minimize her flares …
A 29-year-old woman with Fitzpatrick skin type III presents with a history of recurrent erythematous plaques on her forearms after brief sun exposure, especially during the spring and early summer. She reports no systemic symptoms and no photosensitizing medications. Biopsy confirms findings consistent with polymorphous light eruption (PMLE). She wants a sunscreen that will minimize her flares … 
A woman in her 2nd trimester of pregnancy presents to clinic with urticarial plaques and papules around her umbilicus, chest and extremities. Tense vesicles are present within a few of the erythematous plaques. This woman's condition is most commonly associated with:
A. Lymphoma
B. First trimester of pregnancy
C. Grave's Disease
D. Inflammatory Bowel Disease
E. Lupus
To find ou … 
In addition to the lesions seen on the feet of this young man he also had geographic tongue, erythematous plaques on his penis and arthritis, what HLA type is associated with this syndrome?
A. HLA-B27
B. HLA-B51
C. HLA-DR1
D. HLA-DR3
E. HLA-DQW2
To find out the correct answer and read the explanation, click here.
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