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Abstract #3480

7 Tesla, High Resolution Dixon Imaging of the SI Joints in Patients with Ankylosing Spondylitis

Wouter M. Teeuwisse1, Monique Reijnierse2, Andrew G. Webb1

1Radiology, C.J.Gorter Center for High Field MRI, Leiden University Medical Center, Leiden, ZH, Netherlands; 2Radiology, Leiden University Medical Center, Leiden, ZH, Netherlands

The purpose of this study is to determine the utility of high resolution 7 Tesla scanning for patients with ankylosing spondylitis in different stages of pathology progression. Fifteen patients were imaged on a whole body 7T system. Using a custom-built RF coil high spatial resolution 3-point Dixon images of the SI joints were acquired rendering water- and fat-only images with excellent delineation of the whole SI joint. 7 Tesla MRI is a promising adjunct imaging modality for early detection and following the progression of ankylosing spondylitis.