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Abstract #1476

Breath-hold UTE Lung Imaging using a Stack-of-Spirals Acquisition

John P. Mugler, III 1 , Samuel W. Fielden 2 , Craig H. Meyer 2 , Talissa A. Altes 1 , G. Wilson Miller 1 , Alto Stemmer 3 , Josef Pfeuffer 3 , and Berthold Kiefer 3

1 Radiology & Medical Imaging, University of Virginia, Charlottesville, VA, United States, 2 Biomedical Engineering, University of Virginia, Charlottesville, VA, United States, 3 Siemens Healthcare, Erlangen, Germany

The purpose of this work was to implement a breath-hold UTE acquisition based on an optimized 3D stack-of-spirals acquisition, and to perform a proof-of-concept evaluation of the method for detection of small lung nodules in three subjects with COPD, who had confirmed pulmonary nodules on CT. All nodules detected with CT (ranging from approximately 3-mm to 1-cm) were apparent on MRI. Our results suggest that the breath-hold UTE method may have potential for MR-based detection of pulmonary nodules.

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