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Abstract #3317

Self-gated ultra-short echo time lung MRI for quantitative ventilation assessment

Lenon Mendes Pereira1, Tobias Wech1, Andreas M. Weng1, Andreas S. Kunz1, Simon Veldhoen1, Thorsten A. Bley1, and Herbert Köstler1

1Department of Diagnostic and Interventional Radiology, University Hospital Wurzburg, Wurzburg, Germany

Self-gated Non-Contrast-enhanced Functional Lung MRI (SENCEFUL) is a technique based on a FLASH sequence that can assess ventilation and perfusion in free-breathing without the use of contrast agents. However, SENCEFUL suffers from the fast T2-induced signal decay in the lung parenchyma and offers no real 3D coverage. Thus, this work presents the use of a 3D ultra-short echo time (UTE) sequence in SENCEFUL MRI for the generation of ventilation-weighted maps.

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