A 47-year-old woman has had gradual onset of back pain the past three weeks. She is a non-smoker and non-drinker. Serum biochemistry and protein electrophoresis are unremarkable. An x-ray of the spine shows two lytic lesions at L1 and L2. What’s the most likely diagnosis?
Avascular necrosis
Metastatic malignancy
Multiple myeloma
Osteoporosis
Renal osteodystrophy
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Cut-to-the-chase Answer (0:58):
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HY USMLE Answer (10:34):
