PMID: 9180867Apr 19, 1997Paper

Indications for magnetic resonance imaging in pneumology

La Presse médicale
L Arrivé

Abstract

Tissue mobilization caused by respiration and heart beat and lower spacial resolution than with computed tomography has limited use of magnetic resonance imaging (MRI) in pneumology. Nevertheless, because of the high-quality of spontaneous contrast and the non irradiation nature of the examination, there are selected indications. For bronchogenic cancer, MRI is reserved for selected cases to evaluate tumor extension. For tumors of the mediastinum, MRI is particularly useful for evaluating extension of neurogenic tumors. MRI also gives a better visualization of processes involving the diaphragm than computed tomography. The development of magnetic resonance angiography is a major progress for exploration of pulmonary embolism as repeated acquisitions can be obtained without injection of a contrast medium. Several studies have shown that MRI visualizes well solitary lung nodules, clearly distinguishing fat content from vascularized nodules. For the pulmonary parenchyma, further advances are necessary before MRI can become a routine exploration technique.

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