Elizabeth K. Jones, MD; Nina Mingioni, MD; Jason B. Lee, MD
A 73-year-old woman presented with a widespread scaly pruritic rash lasting 2 months. She had an antinuclear antibody titer of 1:80, elevated SS-A antibodies, a creatinine level of 1.8 mg/dL, and an inflammatory pattern on skin biopsy. What would you do next?