Abstract #5143

Improved visualization of diffusion-prepared MR neurography (SHINKEI) in the pelvis using high-intensity reduction (HIRE) technique

Hitoshi Tadenuma¹, Kayoko Abe², Masami Yoneyama³, Yasuhiro Goto¹, Makoto Suzuki¹, Mamoru Takeyama¹, and Shuji Sakai²

¹Department of Radiological Service, Tokyo Women’s Medical University, Tokyo, Japan, ²Department of Diagnostic Imaging and Nuclear Medicine, Tokyo Women’s Medical University, Tokyo, Japan, ³Philips Electronics Japan, Ltd, Tokyo, Japan

The role of MRI in the diagnosis of Lumbrosacral plexopathy is in depiction of the anatomical detail of pelvic nerves. This study attempted the improvement of the pelvic nervous depiction using HIRE-SHINKEI. This applies HIRE technique, and requires both SHINKEI and additional 3D heavily T2W scan to subtract the data. HIRE-SHINKEI can improve the depiction of nerves by subtracting signals of the background. This new technique has great potential to help the diagnosis for the peripheral nerve disorders of the lumbosacral region.

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