A 41-Year-Old Woman with a History of SLE and Sudden-Onset Sores on Her Limbs

A 41-year-old woman with a history of systemic lupus erythematosus presents for evaluation of painful areas that had developed on her upper, outer arms and lateral thighs over the past month. She reports that while the affected areas were initially smooth, some had begun to ulcerate.

View the photo taken and consider what your diagnosis and next steps would be.