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See Latest ArticlesRheumatoid arthritis: Evaluation with contrast-enhanced CT with digital bone masking
Radiology, 05/15/09
Polster JM et al. – Data suggest that contrast material–enhanced computed tomography (CT) with digital bone masking for the evaluation of synovitis and tenosynovitis may be an acceptable alternative to MR imaging in the evaluation of rheumatoid arthritis (RA).
Methods- HIPAA-compliant to evaluate the feasibility of contrast material-enhanced CT with digital bone masking for the evaluation of synovitis and tenosynovitis in RA pts
- 4 pts; findings at MR imaging were evaluated after informed consent was obtained
- To improve the conspicuity of synovial enhancement, postcontrast CT was performed with a relatively low kilovoltage and high iodine concn
- Precontrast images were used as a subtraction mask to eliminate high-attenuation cortical bone contours
- Moderate to high agreement between CT and MR imaging findings for synovitis and tenosynovitis was demonstrated
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