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Pediatr Radiol. 2001 Mar;31(3):189-95.

Short-term follow-up of the juvenile rheumatoid knee with fat-saturated 3D MRI.

Author information

1
Department of Radiology, Dokuz Eyl├╝l University School of Medicine, Inciralti, Izmir, Turkey. cakmakh@egenet.com.tr

Abstract

OBJECTIVE:

To determine the correlation between clinical status and 3D, fat-saturated contrast-enhanced MRI findings in assessing the response to treatment in patients with knee-joint involvement from juvenile rheumatoid arthritis (JRA).

MATERIALS AND METHODS:

Synovial hypertrophy, effusion, cartilage and epiphyseal status were scored using spin-echo (SE) T1-weighted, SE T2-weighted and contrast-enhanced, fat-suppressed 3D MRI in 42 knees of 21 patients. MRI findings were evaluated by scoring results and compared with the clinical scoring results. Progression, improvement and equivalence were analysed between 0-3 and 3-6 months, both clinically and by MRI.

RESULTS:

Fat-suppression imaging generated high contrast between cartilage, synovium, effusion and bone. Correlation coefficients according to progression, improvement and equivalent findings of months 1-3 and months 3-6 comparison of clinical and MRI scores were found to be 0.50 and 0.70, respectively.

CONCLUSION:

Contrast-enhanced 3D MRI with fat suppression provides good discrimination between synovial hypertrophy and fluid. Fat-suppressed imaging offers better contrast between cartilage and synovium. Long-term MRI follow-up of JRA improves direct follow-up of pathological changes and helps in modifying treatment regimens.

PMID:
11297085
DOI:
10.1007/s002470000371
[Indexed for MEDLINE]

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