… lung MRI has recently increased and despite the main challenges that include the low proton
density of the lung … as safety measure for the current investigation of the HF-NIV technique. …

… to changes in lung microstructure through the measurement of the … density of high-frequency
components with increasing AF prevented the use of AFs of 4 and 5 for 3D 3 He lung MRI …

… MRI-based measurements of hyperpolarized 3 He diffusivity in human lungs allow quantitative
measurements of lung … a , lung volume per alveolus V a , and alveolar number density N a …

… lung is one of the most challenging organs to image by MRI. Because of the low water density
of approximately 20–30%, the proton density … measurements were carried out at total lung …

… ventilated lung. The different properties of the different compounds enable the measurement
of … 4a, b Spin-density He-3 MRI after inhalation of hyperpolarized He-3 gas. a A 31year-old …

… be adequately assessed by MRI due to the genuine low proton density in the lung [15] and
… endpoint/outcome measure to evaluate effects of therapeutic interventions in clinical trials. …

… nodules and the development of lung edema both of which appeared as high density areas
in the CT … To date, most models rely on size measurements of external tumors ie, growing …

… (CT) 10–12 and magnetic resonance imaging. However, not all of … lung density, Perc85, to
assess fibrosis. To account for the known influence of lung volume on density measurements …

… HP gas MRI techniques and what aspects of lung function they … to date, we review HP gas
MRI studies in patients with a range … in the lungs provides a measure of gas density and allows …

… MRI studies of lung water typically take place with supine … in regional lung water density,
lung volumes, and total lung water … to measure the changes in global and regional relative lung …