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A 29-year-old woman presents to urgent care for a painful rash that developed on her arm. It started 1 day after working on a landscaping project that involved pulling weeds under intense sunlight. On examination, an edematous, pink, scaly plaque and nearby erosions are seen on her right arm. The patient appears well and has no systemic symptoms.
View the image below and consider what your diagnosis and next steps would be. Resolution of the case is described on the following page.
29-Year-Old With Stinging Sensation
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