Julia G. Ridgeway-Diaz, MS; Julie C. Philp, MD; Jeffrey P. North, MD
An 80-year-old woman with diabetes, hypertension, and TIAs presented with a painful rash on her flank. She had no fever, systemic symptoms, joint pain, or skin thickening; a punch biopsy showed a vacuolar interface dermatitis pattern. What would you do next?