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Abstract #3322

T2* Quantification of the Lung Using 3D Ultrashort Echo Time Cones Sequences

Amin Nazaran1, Michael Carl2, Yanchun Zhu1, Yajun Ma1, Eric Y. Chang1,3, and Jiang Du1

1The University California, San Diego, San Diego, CA, United States, 22GE Healthcare, San Diego, San Diego, CA, United States, 3Radiology Service, VA San Diego Healthcare System, San Diego, CA, United States

Imaging of the lungs without a contrast agent is a challenging task due to the low SNR. The main challenge stems from the air in the lungs, which causes low proton density and high magnetic susceptibility at interfaces with tissue. Ultra short echo time (UTE) techniques have the potential to acquire high signal-to-noise ratio (SNR) images due to their short achievable TEs, much less than 1ms. The lung imaging based on 3D radial UTE sequences were previously reported. In this work, we applied three-dimensional UTE with Cones trajectories (3D UTE-Cones) to quantify lungs’ tissue.

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