Abstract #2914

PETRA Lung MRI: Towards Robust Lung Imaging with Patient Comfort and with Improved Contrast

Yutaka Natsuaki¹, Xiaoming Bi¹, Gerhard Laub¹, and David Grodzki²

¹Siemens Healthcare, Los Angeles, CA, United States, ²Siemens Healthcare, Erlangen, Germany

With recent developments in ultra-short TE (UTE) MRI sequences such as PETRA with the respiratory triggering and the segmented acquisition, MRI has shown a potential of being a viable radiation-free alternative to the incumbent gold standard CT lung imaging. Within a volunteer validation study (n=14), the current work demonstrates a recent progress in the PETRA lung MRI towards its robustness and its applicability to all patient populations. The proposed solution improves patient comfort and image contrast by suppressing the unintended high intensity signals from surrounding tissues.

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