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Abstract #2460

Multi-Spectral Susceptibility-Weighted Imaging in the Presence of Metallic Hardware

Kevin Koch1, Brad Swearningen1, and Andrew S Nencka1
1Radiology, Medical College of Wisconsin, Milwaukee, WI, United States


To address the unmet need for metal artifact suppressed susceptibility-weighted imaging (SWI) in neuroradiology, here we introduce a novel approach to the generation of SWI contrasts using conventional (currently available) 3D-multi-spectral imaging (MSI) metal-artifact-suppression sequences. This approach leverages basic spin-echo based 3D-MSI sequences, and then utilizes the inherent spectral information within MSI to develop "phase-contrast" maps that can then used to generate SWI-like contrasts. This new metal-suppressed SWI approach has potential applications in patients with high susceptibility intra-cranial hardware, such as aneurysm clips, vascular shunts, cochlear implants, and fixed dental/orthodontic hardware.

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