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Abstract #4527

Rapid High-resolution Quantitative MR Neurography in the Lumbosacral Plexus using Accelerated Quantitative Double Echo Steady-State (qDESS)

Takumi Ogawa1, Kayoko Abe2, Yutaka Hamatani1, Yasuhiro Goto1, Masami Yoneyama3, Quin Lu4, Isao Shiina1, Kazuo Kodaira1, Mana Kato1, Michinobu Nagao2, and Shuji Sakai2
1Department of Radiological Services, Tokyo Woman's Medical University, Tokyo, Japan, 2Department of Diagnostic imaging & Nuclear Medicine, Tokyo Woman's Medical University, Tokyo, Japan, 3Philips Japan, Tokyo, Japan, 4Philips Healthcare NA, San Francisco, CA, United States


Double Echo Steady-State (DESS) with water-selective excitation is a useful sequence to depict small nerves such as intracranial nerves, it would also be promising for visualizing lumbar nerves. Recently, accelerated qDESS sequence combined with compressed sensing sensitivity encoding (Compressed SENSE) has been proposed for further rapid knee morphological and quantitative imaging. In this study, we evaluate the feasibility of the accelerated qDESS sequence for visualization and quantification of the lumbosacral plexus within a short scan time.

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