“…14 Characteristic findings include asymmetric soft tissue masses, periarticular osteoporosis, preservation of the articular space, subchondral cysts, joint effusions, and erosions. 1,14,32,35,[39][40][41][42][43] Although the literature states that juxta-articular osteoporosis accompanies the radiographic changes of amyloidosis, this was not a feature of our patients. The symmetrical joint involvement and erosions are similar to rheumatoid arthritis, but the preser- vation of joint space and absence of juxta-articular osteoporosis is more characteristic of amyloid arthropathy (Fig.…”