Race for the Case

Race for the Case is a clinical quiz feature published quarterly in Directions in Residency — and right here!

Review the case and photos, and submit your answers to the questions below. If you answer correctly, you'll be entered to win a $25 Starbucks gift card. Free coffee and pastries are on the line — what are you waiting for?


A 48-year-old male presents urgently to the outpatient clinic after a business trip to the Caribbean with an extremely pruritic, expanding eruption on the sole of the right foot. On examination, a slightly serpigeneous curvilinear, pink, blanchable slightly palpable plaque is noted, which is more well defined medially and less circumscribed laterally. The patient is otherwise without systemic complaints.

Case submitted by Robyn Marszalek, MD, a PGY-4 dermatology resident at Boston University Medical Center.

Please double check that your email address has been entered correctly to ensure we can contact you if you win.

What is the name of this condition?
What is the most likely culprit causing this condition?
What is a skin biopsy of this lesion most likely to show?
What is the preferred treatment?
Full Name
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