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Development and Validation of an OMERACT MRI Whole-Body Score for Inflammation in Peripheral Joints and Entheses in Inflammatory Arthritis (MRI-WIPE)

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OBJECTIVE: To develop a whole-body magnetic resonance imaging (MRI) scoring system for peripheral arthritis and enthesitis.

METHODS: After consensus on definitions/locations of MRI pathologies, 4 multireader exercises were performed. Eighty-three joints were scored 0-3 separately for synovitis and osteitis, and 33 entheses 0-3 separately for soft tissue inflammation and osteitis.

RESULTS: In the last exercise, reliability was moderate-good for musculoskeletal radiologists and rheumatologists with previously demonstrated good scoring proficiency. Median pairwise single-measure/average-measure ICC were 0.67/0.80 for status scores and 0.69/0.82 for change scores; κ ranged 0.35-0.77.

CONCLUSION: Whole-body MRI scoring of peripheral arthritis and enthesitis is reliable, which encourages further testing and refinement in clinical trials.

Original languageEnglish
JournalJournal of Rheumatology
Issue number9
Pages (from-to)1215-1221
Number of pages7
Publication statusPublished - Sep 2019

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ID: 58909954