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ECR 2018 / C-1387
Morphological brain images acquired with a tilting MRI scanner: feasibility and quality evaluations
Congress: ECR 2018
Poster No.: C-1387
Type: Scientific Exhibit
Keywords: Anatomy, Neuroradiology brain, MR, Segmentation, Education and training
Authors: M. Laganà1, S. Carrara1, M. Olmi2, M. Cresti2, L. Forzoni3, P. Cecconi4; 1Milano/IT, 2Genova/IT, 3Firenze/IT, 4Como (CO)/IT
DOI:10.1594/ecr2018/C-1387

Aims and objectives

Conventional Magnetic Resonance Imaging (MRI) scanners allow patients to be imaged only in the supine position. Conversely, tilting MRI scanners allow to examine a subject also in the sitting position, for Weight-Bearing (WB) MRI studies. However, the last types of scanners have a lower magnetic field (typically between 0.2 T and 0.4 T), with a consequent lower signal-to-noise ratio (SNR) [1].

For what concerns brain neuroimaging, a tilting MRI scanner might be used as a non-invasive tool for investigating the postural effect on syndromes such as intracranial hypotension and Arnold-Chiari. Verifying the brain morphological image quality obtained with tilting scanners is a preliminary necessary step for its clinical application.

 

For this reason, morphological 3D T1 brain images acquired with a tilting 0.25 T and a 1.5 T MRI scanner were compared in this study. The quality of the former was compared to the latter through the evaluation of contrasts between different tissues, Signal to Noise Ratio (SNR) and tissue segmentation performance.

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