Abstract #1865

Functional Assessment of Lumbar Nerve Roots Using Direct Coronal Single-Shot Turbo Spin-Echo Diffusion Tensor Imaging - Application to Patients with Bilateral Spinal Canal Stenosis Showing Unilateral Neurological Symptom -

Takayuki Sakai¹, Masami Yoneyama², Yasuchika Aoki³, Toshiaki Miyati⁴, and Noriyuki Yanagawa¹

¹Radiology, Eastern Chiba Medical Center, Chiba, Japan, ²Philips Electronics Japan, Tokyo, Japan, ³Orthopaedic Surgery, Eastern Chiba Medical Center, Chiba, Japan, ⁴Kanazawa University, Ishikawa, Japan

Clinically, there are some patients with spinal canal stenosis who have unilateral neurological symptom despite the existence of bilateral nerve compression on the conventional MRI images. The purpose of this study was to investigate the availability of TSE-DTI for patients with bilateral spinal canal stenosis who have unilateral neurological symptom. At the level responsible for symptom, the average FA values of symptomatic side were significantly lower than those of asymptomatic side. FA values of TSE-DTI might be helpful in identification of responsible lumbar nerves roots for patients with bilateral spinal canal stenosis who have unilateral neurological symptom.

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