MRCP2-2521

A 64-year-old woman comes to the haematology clinic with progressive lower back pain and unexplained anaemia. Her initial protein electrophoresis and serum-free light chain assays suggest multiple myeloma. She has a medical history of hypertension and transient ischaemic attacks and takes clopidogrel, amlodipine, and ramipril. What imaging studies should be recommended for further evaluation?