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Abstract #3428

Fast radial T2 mapping of the liver

Diana Bencikova1,2, Stephan Kannengiesser3, Gert Reiter4, Ahmed Ba-Ssalamah1, Siegfried Trattnig1,2, and Martin Krššák2,5
1Department of Radiology, Medical University Vienna, Vienna, Austria, 2Christian Doppler Laboratory for Clinical Molecular Imaging, MOLIMA, MUW, Vienna, Austria, 3Siemens Healthcare GmbH, Erlangen, Germany, 4Siemens Siemens Healthcare Diagnostics GmbH, Graz, Austria, 5Division of Endocrinology and Metabolism, Department of Medicine III, Medical University of Vienna, Vienna, Austria

Radial T2 mapping of the liver is fast and motion insensitive, which is ideal for clinical applications. Here we tested a prototype radial turbo-spin-echo sequence for T2 mapping of the liver in phantoms and in-vivo in patients. In the phantoms we compared it to conventional Cartesian multi-SE sequence and tested the effect of fat suppression by comparing fat-suppressed and fat-unsuppressed values. From the patient evaluation, comparing it to single-voxel multi-echo MRS, we proved it to be suitable for clinical applications and a promising tool for characterization of diffuse liver disorders, but there are systematic differences between different methods.

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