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Abstract #2292

Metal implant imaging using highly undersampled phase-cycled 3D bSSFP

Damien Nguyen1,2, Tom Hilbert3,4,5, Jean-Philippe Thiran5,6, Tobias Kober3,4,5, and Oliver Bieri1,2

1Radiological Physics, Dep. of Radiology, University of Basel Hospital, Basel, Switzerland, 2Department of Biomedical Engineering, University of Basel, Basel, Switzerland, 3Advanced Clinical Imaging Technology (HC CMEA SUI DI BM PI), Siemens Healthcare AG, Lausanne, Switzerland, 4Department of Radiology, University Hospital (CHUV), Lausanne, Switzerland, 5LTS5, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland, 6Department of Radiology, University Hospital Lausanne (CHUV), Lausanne, Switzerland

In this study, we explore the possibility of using a highly undersampled 3D phase-cycled balanced Steady-State Free-Precession (bSSFP) sequence (trueCISS) to image metal implants in the body and compare it to the Slice Encoding for Metal Artifact Correction (SEMAC) method. We show that the trueCISS approach not only offers qualitatively good morphological images, but also delivers quantitative maps that could potentially improve the overall diagnostic quality and efficiency within a clinically reasonable time.

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