Abstract #4623

Robustness of diffusion-prepared 3D TSE for isotropic-resolution large-FOV coronal DWI of neurogenic tumors in cervical and pelvic regions

Barbara Cervantes¹, Alexandra Gersing¹, Benedikt Schwaiger¹, Andreas Hock², Johannes M. Peeters³, Carolin Knebel⁴, Klaus Wörtler¹, and Dimitrios Karampinos¹

¹Diagnostic and Interventional Radiology, Technical University of Munich, Munich, Germany, ²Philips Healthcare, Hamburg, Germany, ³Philips MR Clinical Science, Best, Netherlands, ⁴Orthopaedic Surgery, Technical University of Munich, Munich, Germany

DWI of musculoskeletal tumors has been proposed as a non-invasive tool of potential valuable diagnostic utility. Large-FOV isotropic-resolution DWI can provide improved visualization of MSK tumors but deems particularly challenging for conventionally used DW-EPI in terms of geometric distortions and chemical-shift artifacts. 3D DW-TSE techniques can alleviate these challenges and have been shown to be useful in DWI of different body regions. The present work examines the robustness to distortions and artifacts of 3D DW-TSE in isotropic-resolution large-FOV coronal DWI of neurogenic tumors in two anatomical regions where DW-EPI is highly prone to distortion artifacts.

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