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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: J Thorac Imaging. 2016 Sep;31(5):285–295. doi: 10.1097/RTI.0000000000000218

Fig. 1. Ventilation imaging: comparison of Helium-3 and Xenon-129 imaging.

Fig. 1

Fig. 1

Twenty-eight year-old male with CF (FEV1 57%). Coronal Helium-3 (a) and Xenon-129 (b) MR ventilation images performed on the same day show similar appearing upper lobe predominant ventilation defects (arrows).