Abstract #1314

Noise reduction in diffusion tensor imaging of the brachial plexus using single-shot DW-EPI with Compressed SENSE

Takayuki Sada¹, Hajime Yokota², Takafumi Yoda¹, Ryuna Kurosawa¹, Koji Matsumoto¹, Takashi Namiki³, Masami Yoneyama³, Yoshitada Masuda¹, and Takashi Uno²

¹Department of Radiology, Chiba University Hospital, Chiba, Japan, ²Diagnostic Radiology and Radiation Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan, ³Philips Japan, Tokyo, Japan

The brachial plexus is a difficult region to obtain high-quality DTI. In DTI with SENSE, noise-like artifacts appear in the center of the image, resulting in poor image quality. It has been reported that C-SENSE (EPICS), which combines parallel imaging and compressed sensing, can reduce parallel imaging-derived artifacts and may be a more robust method for quantitative imaging than SENSE. This study compared EPICS with SENSE and SENSE×2 (same conditions as SENSE with increased NEX) in the brachial plexus region, and EPICS was a robust imaging method producing better reproducibility of ADC and FA values than SENSE and SENSE×2.

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