Diagnostic test accuracy of magnetic resonance imaging and ultrasound for detecting bone erosion in patients with rheumatoid arthritis

ConclusionsNeither MRI nor US showed satisfactory diagnostic test accuracy in detecting bone erosion. However, the 1.5-T Signa MRI system, General Electric ©, and different models of LOGIQ US units and General Electric© showed similarly good performance in detecting bone erosion in RA patients, while the 2nd metacarpophalangeal joint is the best recommended scanning position during US.Key Points:• In this study, we evaluated the diagnostic accuracy of US and MRI for bone erosion in RA patients, neither MRI nor US showed perfect diagnostic test accuracy.• 1.5-T Signa system and the LOGIQ units both from General Electric© are the machine types of MRI and US with the greatest performance, respectively.• The 2nd MCP joint is the scanning position recommended during US test.• Different reference standards will greatly influence the judgment of the results.
Source: Clinical Rheumatology - Category: Rheumatology Source Type: research