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Abstract #2260

T2-weighted Multispectral Imaging for Postoperative Imaging of Patients with Lumbar Spinal Fusion

Daehyun Yoon1, Kathryn Stevens1, and Brian Hargreaves1

1Radiology, Stanford University, Palo Alto, CA, United States

T2-weighted MRI is essential to detect neural compression in the lumbar spine after spinal fusion surgery in patients with recurrent radicular symptoms. Unfortunately, off-resonance artifacts induced from lumbar fusion devices make the conventional T2-weighted MR images extremely challenging or impossible to interpret. We present a modified version of MAVRIC-SL, an MR sequence designed to correct for metal-induced artifacts, to allow T2 contrast, significantly improving diagnostic capabilities in the postoperative lumbar spine.

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