Quantitative MRI measurement of lung density must account for the change in T with lung inflation

RJ Theilmann, TJ Arai, A Samiee… - Journal of Magnetic …, 2009 - Wiley Online Library
Purpose To evaluate lung water density at three different levels of lung inflation in normal
lungs using a fast gradient echo sequence developed for rapid imaging. Materials and …

Measurement of lung water content and pleural pressure gradient with magnetic resonance imaging

JR Mayo, AL MacKay, KP Whittall… - Journal of thoracic …, 1995 - journals.lww.com
The aim of this study was to develop a magnetic resonance (MR) sequence capable of
measuring water content and the gravity-dependent gradient in lung density in normal lung …

Measuring lung water: Ex vivo validation of multi‐image gradient echo MRI

S Holverda, RJ Theilmann, RC Sá… - Journal of Magnetic …, 2011 - Wiley Online Library
Purpose: To validate a fast gradient echo sequence for rapid (9 s) quantitative imaging of
lung water. Materials and Methods: Eleven excised pig lungs were imaged with a fast GRE …

Impact of lung volume on MR signal intensity changes of the lung parenchyma

AA Bankier, CR O'Donnell, VM Mai… - Journal of Magnetic …, 2004 - Wiley Online Library
Purpose To test the hypothesis that, in magnetic resonance (MR) imaging of healthy
individuals, equal relative changes in lung volume cause equal relative changes in MR …

Three‐dimensional assessment of lung tissue density using a clinical ultrashort echo time at 3 tesla: a feasibility study in healthy subjects

M Lederlin, Y Crémillieux - Journal of Magnetic Resonance …, 2014 - Wiley Online Library
Purpose To implement and assess the performance of three‐dimensional (3D) ultra‐short
echo (UTE) time for evaluating lung tissue density changes induced by gravity dependence …

In vitro measurements of water content and T2 relaxation times in lung using a clinical MRI scanner

M Estilaei, A MacKay, K Whittall… - Journal of Magnetic …, 1999 - Wiley Online Library
The purpose of this study was to validate water content measurements and to determine the
T2 distribution in lung on a 1.5 T clinical magnetic resonance imaging (MRI) scanner. A …

Evaluation of lung volumetry using dynamic three-dimensional magnetic resonance imaging

C Plathow, M Schoebinger, C Fink, S Ley… - Investigative …, 2005 - journals.lww.com
Rationale and Objectives: We sought to investigate lung volume and surface measurements
during the breathing cycle using dynamic three-dimensional magnetic resonance imaging …

T1 mapping of the entire lung parenchyma: Influence of respiratory phase and correlation to lung function test results in patients with diffuse lung disease

A Stadler, PM Jakob, M Griswold… - … in Medicine: An …, 2008 - Wiley Online Library
The T1 values of lung parenchyma of 25 patients with fibrosis and emphysema were
measured in the entire lung, and the effect of inspiration and expiration was investigated. T1 …

Assessment of lung water distribution by nuclear magnetic resonance: a new method for quantifying and monitoring experimental lung injury

AG Cutillo, AH Morris, DC Ailion, TA Case… - American Review of …, 1988 - atsjournals.org
We have developed a new analytical method that uses nuclear magnetic resonance (NMR)
imaging data to quantify lung water content and distribution. This new method generates a …

Lung perfusion measured using magnetic resonance imaging: new tools for physiological insights into the pulmonary circulation

SR Hopkins, GK Prisk - Journal of Magnetic Resonance …, 2010 - Wiley Online Library
Since the lung receives the entire cardiac output, sophisticated imaging techniques are not
required in order to measure total organ perfusion. However, for many years studying lung …