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Make the Diagnosis: First He Had a Sore Throat. Now This. What’s Up?

MedpageToday

Presentation

A 48-year-old man visited his doctor about burning, slightly painful, and itchy red spots that began developing on his legs 3 days prior. He was not on any medications, and had no recent history of trauma, but did report that he had a sore throat that preceded the rash by a few days. On examination, palpable purpura was seen on the legs. Can you diagnose the patient?


to use the Differential Builder in VisualDx to help you.

5% a) Arthropod bite or sting

55% b) Leukocytoclastic vasculitis

9% c) Phytophotodermatitis

36% d) Urticarial vasculitis

Learnings

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105 Votes