To assess the equivalence of MRI without Gd-based contrast and MRI with contrast in the evaluation of synovitis in pediatric patients with juvenile idiopathic arthritis (JIA). Contrast-enhanced imaging has been the gold-standard for MR evaluation of synovitis in patients with JIA (JAMRIS system). Conventional 2D MRI sequences did not allow reliable differentiation between synovium vs joint fluid. With higher field-strength magnets (1.5T or 3T), and high-resolution 3D sequences, the synovium may be differentiated from joint fluid on noncontrast MRI.
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Meeting name:
SPR 2023 Annual Meeting & Postgraduate Course
, 2023
Authors:
Handa Atsuhiko,
Bedoya M. Alejandra,
Iwasaka-neder Jade,
Johnston Patrick,
Bixby Sarah
Keywords:
arthritis,
MRI,
contrast