29-Year-Old With Stinging Sensation

29-Year-Old With Stinging Sensation

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 …

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42-Year-Old With Stinging Sensation

42-Year-Old With Stinging Sensation

A 42-year-old woman presented to urgent care early in the morning saying that she felt a stinging sensation on her arm while she was cleaning her basement the previous day. She thinks it might be a bite but didn’t see anything. She had subsequent marked pain at the site and over the past few hours developed nausea and muscle aches. On physical examination, the patient had a temperature of 101.3°F (38.5°C). There were reddish-brown reticulate …

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21-Year-Old With Heel Lesion

21-Year-Old With Heel Lesion

A 21-year-old man presents to urgent care concerned about a painless blackish lesion that had developed on his left heel. On examination, a stippled, deeply violaceous, blackish patch with overlying scale was seen on his plantar heel. He had no history of dermatological disease but mentioned he played in a basketball tournament last week. View the image above and consider what your diagnosis and next steps would be. Resolution of the case is described on …

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