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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