Center | Cohort | No. Patients, n = 294 | MRI Equipment | Field Strength (Tesla) | Joints | Side | MRI Sequences | Scoring System |
---|---|---|---|---|---|---|---|---|
Copenhagen | HURRAH | 21 | Philips Panorama | 0.6 | Wrist, MCP | Hand with erosion | T1 pre gad without FS (cor, axial), T1 FS post gad (axial), STIR (cor) | RAMRIS |
Copenhagen | CIMESTRA | 84 | Esaote C-scan, Siemens Impact, Siemens Vision | 0.2–1.5 | Wrist, MCP | Nondominant | T1 pre gad without FS (cor, axial), T1 post gad without FS (cor, axial), STIR (cor) | RAMRIS |
Leeds | REMISSION | 81 | Philips, Gyroscan | 1.5 | Wrist, MCP | Dominant | T1 and T1 spectral presaturation with inversion recovery post gad (cor, axial) | RAMRIS |
Oslo | ERA | 23 | General Electric Signa | 1.5 | Wrist | Dominant | T1 pre gad without FS (cor, axial) T1 post gad without and with FS (cor, axial), STIR (cor), 3D-SPGR | RAMRIS |
Paris | LAFRAME | 78 | Esaote C-scan | 0.2 | Wrist, MCP | Dominant | 3D T1 without FS pre gad (cor, axial), 3D T1 without FS post gad (cor, axial), STIR (cor, axial) | RAMRIS |
Sydney | TASRA | 7 | Siemens | 1.5 | MCP | Dominant | T1 SE pre gad (cor), T1 SE post gad (cor, axial), T2 TSE (axial), STIR (cor) | RAMRIS |
Cor: coronal, Gad: gadolinium, FS: fat saturation, MCP: metacarpophalangeal, SE: spin echo, STIR: short-tau inversion recovery, T1: T1-weighted, 3D-SPGR: 3-dimensional spoiled gradient echo.