2016
DOI: 10.1148/radiol.2016164006
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Quiet Submillimeter MR Imaging of the Lung Is Feasible with a PETRA Sequence at 1.5 T

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Cited by 58 publications
(90 citation statements)
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“…The challenges in obtaining standardized chest imaging for children (i. e., low radiation exposure, negligible artifacts and consistent lung volumes) have recently been overcome with improvements in MRI techniques [13,[16][17][18]. MRI is a radiation-free technique and can provide functional quantification of air trapping and lung perfusion with non-static imaging techniques.…”
Section: Discussionmentioning
confidence: 99%
“…The challenges in obtaining standardized chest imaging for children (i. e., low radiation exposure, negligible artifacts and consistent lung volumes) have recently been overcome with improvements in MRI techniques [13,[16][17][18]. MRI is a radiation-free technique and can provide functional quantification of air trapping and lung perfusion with non-static imaging techniques.…”
Section: Discussionmentioning
confidence: 99%
“…In general, radial sampling eliminates motion artifacts by dispersion, with an effect of a different direction in the phase encoding . In addition, PETRA uses a gradient system so that the gradient is already switched on during k ‐space encoding, which results in no shading or streaking artifacts . Another reason for good visibility with PETRA is the use of UTE.…”
Section: Discussionmentioning
confidence: 99%
“…Recent studies have shown good visualization of the lung parenchyma and mediastinum in adult patients using UTE‐MRI . Pointwise encoding time reduction with radial acquisition (PETRA) is a UTE technique that has demonstrated submillimeter imaging of the bronchi . PETRA uses very limited gradient activity with 3D radial sampling and can achieve images in short T 2 substances as well as silent MRI scans .…”
mentioning
confidence: 99%
“…Only in the last 2-3 years has it been possible to technically optimize the MRI devices in such a way that echo times in the microsecond range are possible (Table 2). This means that the old idea of the UTE sequence can now be put into practice [19]. This technology could revolutionize lung imaging in MRI [20].…”
Section: General Recommendations For Good Lung Magnetic Resonance Imamentioning
confidence: 99%