Polarized Helium to Image the Lung

Details Polarized Helium to Image the Lung Polarized Helium to Image the Lung

2005-01-24

arxiv.org/abs/physics/0501127v1

Physics

Medical Physics

To be published in Proc. ICAP 2004 (19th Int. Conf. on Atomic Physics, Rio, July 26-30 2004)

Scientific paper

10.1063/1.1928872

The main findings of the european PHIL project (Polarised Helium to Image the Lung) are reported. State of the art optical pumping techniques for polarising ^3He gas are described. MRI methodological improvements allow dynamical ventilation images with a good resolution, ultimately limited by gas diffusion. Diffusion imaging appears as a robust method of lung diagnosis. A discussion of the potential advantage of low field MRI is presented. Selected PHIL results for emphysema are given, with the perspectives that this joint work opens up for the future of respiratory medicine.

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