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Abstract #0429

Non-contrast-enhanced 3D-UTE MRI for pulmonary Imaging of Immunocompromised Patients during Hematopoietic Stem Cell Transplantation

Corona Metz1, David Böckle2, Julius Frederik Heidenreich1, Andreas Max Weng 1, Thomas Benkert3, Götz Ulrich Grigoleit2, Herbert Köstler1, Thorsten Alexander Bley1, and Simon Veldhoen1
1Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Würzburg, Germany, 2Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany, 3Application Development, Siemens Healthcare GmbH, Erlangen, Germany

Immunocompromised patients during HSCT procedure commonly need repeated MDCT examinations resulting in a high cumulative radiation dose. 3D-UTE MRI using a stack-of-spirals trajectory, enables contrast-free and radiation-free imaging of the lungs within a single breath-hold with increased signal yield due to echo times being well below parenchymal T2*. 3D-UTE MRI allows diagnostics of inflammatory consolidations and pleural effusions with high sensitivity, specificity and consistency when compared to MDCT. Moreover, 3D-UTE sequences improve detection rates of ground glass opacities in pulmonary MRI.

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