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Abstract #4367

High-resolution intracranial vessel wall magnetic resonance imaging in an elderly asymptomatic population: comparison of 3.0T and 7.0T

Anita A. Harteveld1, Anja G. van der Kolk1, H. Bart van der Worp2, Nikki Dieleman1, Jeroen C.W. Siero1, Hugo J. Kuijf3, Catharina J.M. Frijns2, Peter R. Luijten1, Jaco J.M. Zwanenburg1,3, and Jeroen Hendrikse1

1Radiology, University Medical Center Utrecht, Utrecht, Netherlands, 2Neurology, University Medical Center Utrecht, Utrecht, Netherlands, 3Image Sciences Institute, University Medical Center Utrecht, Utrecht, Netherlands

In recent years, multiple intracranial vessel wall MRI sequences have been developed for direct evaluation of the intracranial vessel wall and its pathology in vivo. These studies have mainly been performed on 3T and 7T field strengths. In the current study, we compared 3T and 7T MRI for visualizing both healthy intracranial arterial vessel wall as well as possible vessel wall lesions. Vessel wall visibility was significantly better at 7T even though there were more artefacts hampering assessment. Overall, more lesions were scored on 7T images; however – surprisingly – only half of all 3T lesions were seen at 7T.

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