Rationale and Objectives Changes in the geometry of the chest wall due to lung
hyperinflation occur in COPD. However, the quantitative assessment of impaired lung …

Purpose This study evaluated the respiratory motion of the lung parenchyma using dynamic
magnetic resonance imaging and clarified differences between healthy individuals and …

Purpose To quantify regional lung ventilation in patients with chronic obstructive pulmonary
disease (COPD) by using free-breathing dynamic fluorinated (fluorine 19 [19F]) gas …

Background The heterogeneous distribution of emphysema is a key feature of chronic
obstructive pulmonary disease (COPD) patients that typically is evaluated using high …

Purpose The quantitative assessment of impaired lung motions and their association with
the clinical characteristics of COPD patients is challenging. The aim of this study was to …

Purpose To evaluate the effect of ventilatory impairment on MR signal intensity of the lung
parenchyma. Materials and Methods Subjects were five normal volunteers (age= 30±7.9 …

Purpose We investigated whether the distribution of emphysema on computed tomography
(CT) images can affect chest wall motion in patients with chronic obstructive lung disease …

Objectives: The purpose of this study is to evaluate the correlation of the perfusion
parameters of 3-dimensional, contrast-enhanced magnetic resonance (MR) imaging (3D …

Rationale: Oxygen-enhanced magnetic resonance imaging (MRI) has been proposed as a
useful tool for assessing regional morphological and functional changes in chronic …

Purpose To further validate the ability of ultrashort echo‐time (UTE) magnetic resonance
imaging (MRI) in quantifying lung density in patients diagnosed with chronic obstructive …