Abstract #3993

GagCEST of human intervertebral lumbar discs compared to 23Na MRI at 7 Tesla

Stephan Gruber¹, Esaú Poblador Rodríguez¹, Alena Svatkova¹, Thomas Stulnig², Siegfried Trattnig^1,3, Wolfgang Bogner¹, and Lenka Minarikova¹

¹High Field MR Centre, Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Vienna, Austria, ²Clinical Division for Endocrinology and Metabolism, Department of Medicine III, Medical University of Vienna, Vienna, Austria, ³CD Laboratory for Clinical Molecular MR Imaging, Vienna, Austria

Six healthy volunteers were measured to assess the feasibility and differences of ²³Na-MRI and gagCEST in human intervertebral lumbar discs at 7T. MTR_asym values from GagCEST data have shown to have similar potential as normalized ²³Na-MRI, but were acquired in half the time and without the need for special hardware.

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