Two patients present with similar rashes, one affecting a patient’s shin and the other in the interscapulararea and upper back.
Multiple pustular eruptions are present on patients.
Two infants present with dark patches on their lower backs.
Case 1 A 67-year-old man presents with 2 nodules on his elbow. He has never had any skin conditions but 2 years previously was diagnosed with rheumatoid arthritis, which he manages with methotrexate and nonsteroidal anti-inflammatory drugs. The nodules are uncomfortable and aesthetically displeasing, but they are not painful. On examination, 2 large, firm, skin-colored…
