Abstract #2292

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

Damien Nguyen^1,2, Tom Hilbert^3,4,5, Jean-Philippe Thiran^5,6, Tobias Kober^3,4,5, and Oliver Bieri^1,2

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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