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Abstract #4160

Comparison of MR-guided joint injection with a fluoroscopic approach for pediatric MR arthrography

Sphoorti Shellikeri1, Anne Marie Cahill1, Victor Ho-Fung1, Randolph Setser2, Michael Acord1, Seth Vatsky1, Fernando Escobar1, and Abhay Srinivasan1

1Radiology, The Children's Hospital of Philadelphia, Philadelphia, PA, United States, 2Siemens Medical Solutions Inc, Hoffman Estates, IL, United States

Magnetic resonance imaging (MRI) provides excellent soft-tissue contrast and multiplanar capability in joint imaging, but often requires direct joint injection of gadolinium to provide adequate depiction of cartilage and ligaments. MRI-guided joint interventions are not commonly performed as routine practice. In MR arthrography, the contrast injections are usually performed under fluoroscopy and is followed by a diagnostic MRI to evaluate the abnormalities in the rotator cuffs. This work describes our experience with combined interventional and diagnostic MR shoulder arthrography, and evaluates the efficacy of MR-guided injection, comparing technical success, diagnostic quality, and procedure times to fluoroscopic-guided arthrography.

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