Lung Air Spaces: MR Imaging Evaluation with Hyperpolarized3He Gas
- 1 March 1999
- journal article
- Published by Radiological Society of North America (RSNA) in Radiology
- Vol. 210 (3) , 851-857
- https://doi.org/10.1148/radiology.210.3.r99fe08851
Abstract
Thirty-two magnetic resonance imaging examinations of the lungs were performed in 16 subjects after inhalation of 1-2 L of helium 3 gas that was laser polarized to 10%-25%. The distribution of the gas was generally uniform, with visualization of the fissures in most cases. Ventilation defects were demonstrated in smokers and in a subject with allergies. The technique has potential for evaluating small airways disease.Keywords
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