Abstract #5392

Improved brachial plexus visualization using an adiabatic iMSDE-prepared STIR 3D TSE

Elisabeth Klupp¹, Barbara Cervantes², Nico Sollmann¹, Franziska Treibel², Dominik Weidlich², Thomas Baum¹, Ernst J. Rummeny², Claus Zimmer¹, Jan S. Kirschke¹, and Dimitrios C. Karampinos²

¹Department of Diagnostic and Interventional Neuroradiology, Klinikum rechts der Isar, Technische Universität München, München, Germany, ²Department of Diagnostic and Interventional Radiology, Klinikum rechts der Isar, Technische Universität München, München, Germany

The close proximity of blood vessels to the brachial plexus nerves can confound nerve visualization in the preferably used fat suppressed 3D T2 weighted sequences. Vessel suppression can be increased by means of an additional motion-sensitizing preparation (e.g. iMSDE). The aim of this work was the evaluation of STIR 3D-TSE in conjunction with an adiabatic T2 preparation incorporating iMSDE-based motion sensitization for MRN of the brachial plexus in a clinical routine-setting quantitatively and qualitatively. The additional motion-sensitizing iMDSE preparation reveals robust blood suppression, leading to higher CNR, increased conspicuity of the nerves, better image quality and less artifacts.

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