December 2012

Symptoms

56 year-old male with a history of multiple myeloma and left hip pain. Hip biopsy negative for infection.

Diagnosis

Amyloid arthropathy of the hip with femoral neck erosive changes (black arrows) and abnormal nonenhancing intra-articular low signal (white arrowheads) as seen on T1-, fat-suppressed T2-, and post-gadolinium fat-suppressed T1-weighted images.