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  • Title: Magnetic resonance imaging of dialysis-related amyloidosis of the shoulder and hip.
    Author: Escobedo EM, Hunter JC, Zink-Brody GC, Andress DL.
    Journal: Skeletal Radiol; 1996 Jan; 25(1):41-8. PubMed ID: 8717118.
    Abstract:
    OBJECTIVE: The purpose of this study was to evaluate the usefulness of MRI in identifying abnormalities of the periarticular structures in patients with symptoms of dialysis-related amyloid arthropathy. DESIGN AND PATIENTS: MR images of shoulders and hips in 5 dialysis patients with symptoms of amyloid arthropathy were compared to images of shoulders and hips in 4 asymptomatic dialysis patients, shoulders in 9 nondialysis patients, and hips in 12 nondialysis patients. These were evaluated for the presence of focal periarticular osseous lesions, tendinous and capsular thickening, and periarticular fluid. RESULTS: Increased thickness of the supraspinatus tendon was found in both symptomatic and asymptomatic patients. Capsular thickening at the hip was present in all symptomatic patients, and in 3 of 8 asymptomatic hips. Joint and bursal fluid was common in the symptomatic group, and was present in some asymptomatic individuals. Osseous lesions were detected in the absence of plain film findings, and demonstrated variable signal intensity. CONCLUSIONS: MRI is useful in detecting signs of dialysis-related amyloidosis. Findings of a milder degree in asymptomatic dialysis patients suggests that MRI may also be valuable in the early diagnosis of this syndrome.
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