A 43-year-old woman presents with 2 weeks of a smooth nodule on her right hand. The patient denies recent travel but recalls that she “banged up” her hand while cleaning out a fresh-water fish tank prior to noticing the nodule. Past medical history is significant for renal transplantation. Exam reveals a tender, erythematous plaque with an ulcer on dorsal aspect of her hand. View the image and consider what your diagnosis and next steps …
Read MoreA 6-Year-Old Girl with Papules on Her Abdomen
A 6-year-old girl presents to urgent care for vaccinations at the start of the school year. Her father asks the pediatric provider to look at bumps that developed on her abdomen about 4 weeks ago. They consist of tiny papules, some scattered and some in linear configurations. The patient is asymptomatic without pain or itching. Her father is concerned because they have not resolved. View the image in this context and consider what your diagnosis …
Read MoreA 60-Year-Old Woman with Dark, Painful Plaques on Her Legs
The patient is a 60-year-old woman who presents to urgent care after developing dark areas over both legs over the course of the past few days. They are extremely painful. On examination, there were violaceous and dark brown, retiform plaques, some depressed and some crusted, over the legs. The patient has a history of diabetes, hypertension, and chronic renal insufficiency for which she required hemodialysis. View the image and consider what your diagnosis and next …
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