Quantitative MRI measurement of lung density must account for the change in T with lung inflation
RJ Theilmann, TJ Arai, A Samiee… - … Resonance Imaging …, 2009 - Wiley Online Library
… lung physiology under a variety of conditions. Many imaging modalities have been used for
measuring lung density … tomography (CT) (4), and MRI (5-10). For example, in a study using …
measuring lung density … tomography (CT) (4), and MRI (5-10). For example, in a study using …
Variable lung density consideration in attenuation correction of whole-body PET/MRI
HR Marshall, FS Prato, L Deans… - Journal of Nuclear …, 2012 - Soc Nuclear Med
… lung density information into MRI-based attenuation maps is developed and compared with
an approach that assumes uniform lung density. … has been able to measure the lungs’ μ-…
an approach that assumes uniform lung density. … has been able to measure the lungs’ μ-…
Ultrashort echo time (UTE) MRI of the lung: assessment of tissue density in the lung parenchyma
O Togao, R Tsuji, Y Ohno, I Dimitrov… - Magnetic resonance …, 2010 - Wiley Online Library
… We investigated whether the MRI measured parameters (SI, % change in SI, … lung in human
subjects, our results imply that the UTE MRI provides clinical implications to evaluate lung …
subjects, our results imply that the UTE MRI provides clinical implications to evaluate lung …
MRI of the lung: state of the art
M Wielpütz, HU Kauczor - Diagnostic and interventional …, 2012 - search.proquest.com
… Magnetic resonance imaging (MRI) of the lung is technically challenging due to the low proton
density and fast signal decay of the lung … ventricle can be accurately measured with MRI, …
density and fast signal decay of the lung … ventricle can be accurately measured with MRI, …
MRI of the lung (1/3): methods
… measure the breathing motion directly via MRI. Here, either a dedicated 90-180 spin echo
excitation or a pencil beam readout is used to measure … for lung MRI, because a proton density …
excitation or a pencil beam readout is used to measure … for lung MRI, because a proton density …
MRI of the lung (2/3). Why… when… how?
J Biederer, M Beer, W Hirsch, J Wild, M Fabel… - Insights into …, 2012 - Springer
… It allows for multiple and repeated measurements and can … limitations of MRI in visualising
low-proton-density structures … in an increase of lung density (and consequently proton density) …
low-proton-density structures … in an increase of lung density (and consequently proton density) …
Estimation of gas and tissue lung volumes by MRI: functional approach of lung imaging
SD Qanadli, E Orvoen-Frija, P Lacombe… - Journal of computer …, 1999 - journals.lww.com
… measurements in axial, sagittal, and coronal planes. The two tailed t test for paired data was
used to assess the difference between VC values measured by MRI (VC MRI ) … and density …
used to assess the difference between VC values measured by MRI (VC MRI ) … and density …
[HTML][HTML] T2* and proton density measurement of normal human lung parenchyma using submillisecond echo time gradient echo magnetic resonance imaging
H Hatabu, DC Alsop, J Listerud, M Bonnet… - European journal of …, 1999 - Elsevier
… these MR parameters in normal lung. We therefore conducted this study to measure T2*
and relative proton density of normal human lung parenchyma in vivo in conjunction with …
and relative proton density of normal human lung parenchyma in vivo in conjunction with …
Advances in magnetic resonance imaging of lung physiology
SR Hopkins, DL Levin, K Emami… - Journal of applied …, 2007 - journals.physiology.org
… , measurements of perfusion in the lung made … in lung density in situ will have on the
measurement of regional perfusion using external imaging techniques such as MRI, which measure …
measurement of regional perfusion using external imaging techniques such as MRI, which measure …
Vertical gradients in regional lung density and perfusion in the supine human lung: the Slinky effect
SR Hopkins, AC Henderson, DL Levin… - Journal of applied …, 2007 - journals.physiology.org
… used in the present study to measure pulmonary perfusion and lung density, including the
… extent that a small portion of the lung tissue may not generate MRI signal. Nevertheless, our …
… extent that a small portion of the lung tissue may not generate MRI signal. Nevertheless, our …
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