Magnetic resonance imaging in children: common problems and possible solutions for lung and airways imaging

Pediatric Radiology
Pierluigi CietMaarten H Lequin

Abstract

Pediatric chest MRI is challenging. High-resolution scans of the lungs and airways are compromised by long imaging times, low lung proton density and motion. Low signal is a problem of normal lung. Lung abnormalities commonly cause increased signal intenstities. Among the most important factors for a successful MRI is patient cooperation, so the long acquisition times make patient preparation crucial. Children usually have problems with long breath-holds and with the concept of quiet breathing. Young children are even more challenging because of higher cardiac and respiratory rates giving motion blurring. For these reasons, CT has often been preferred over MRI for chest pediatric imaging. Despite its drawbacks, MRI also has advantages over CT, which justifies its further development and clinical use. The most important advantage is the absence of ionizing radiation, which allows frequent scanning for short- and long-term follow-up studies of chronic diseases. Moreover, MRI allows assessment of functional aspects of the chest, such as lung perfusion and ventilation, or airways and diaphragm mechanics. In this review, we describe the most common MRI acquisition techniques on the verge of clinical translation, their problems and t...Continue Reading

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Citations

Feb 14, 2016·European Radiology·Pierluigi CietGiovanni Morana
Jun 9, 2016·Pediatric Pulmonology·Elizabeth SalamonHarm A W M Tiddens
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Jun 20, 2020·European Respiratory Review : an Official Journal of the European Respiratory Society·Harm A W M TiddensPierluigi Ciet
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Apr 13, 2021·Expert Review of Respiratory Medicine·Pedro Mondéjar-LópezÒscar Asensio de la Cruz
May 27, 2021·Pediatric Radiology·Kushaljit Singh SodhiJuergen Biederer
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Aug 31, 2019·Respiratory Medicine·Paola CrivelliFabiano Di Marco

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