Viability of Oxygen-enhanced Ventilation Imaging of the Lungs Using Ultra-short Echo Time MRI
Tomoaki Sasaki1, Koji Takahashi1, Makoto Obara2
1Department of Radiology, Asahikawa Medical University.
Purpose:
To assess the viability of oxygen-enhanced ventilation images using ultra-short echo time magnetic resonance imaging (UTE-MRI).
Methods:
We evaluated the oxygen enhancement of the pulmonary T2*, and pulmonary signals in each TE (0.2, 0.8, 1.4, 2.0 ms) in 21 nonsmokers.
Results:
The oxygen enhancement of pulmonary signals was the most significant (32%) at the 0.2 ms TE, the second in the pulmonary T2* (-18%).
Conclusions:
Pulmonary images using UTE-MRI are useful for ventilation imaging.
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