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AJNR - American Journal of Neuroradiology

Publication Preview: Published February 7, 2008

American Journal of Neuroradiology 2008;29:911.

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American Journal of Neuroradiology
DOI 10.3174/ajnr.A0957

BRAIN

Depiction of the Cranial Nerves Within the Brain Stem With Use of PROPELLER Multishot Diffusion-Weighted Imaging

M. Adachi, H. Kabasawa and E. Kawaguchi

From the Department of Radiology (M.A., E.K.), Ohshima Clinic, Yamagata, Japan; and Japan Applied Science Laboratory (H.K.), GE Yokogawa Medical Systems, Tokyo, Japan.

Please address correspondence to Michito Adachi, Department of Radiology, Ohshima Clinic, 4-1-14 Sakurada Nishi, Yamagata 990-2321, Japan; e-mail: miadchi{at}beach.ocn.ne.jp

SUMMARY: Despite the recent progress of MR imaging, visualization of the cranial nerves within the brain stem has not been accomplished. Periodically rotated overlapping parallel lines with enhanced reconstruction (PROPELLER) multishot diffusion-weighted imaging, an effective method for compensating for motion and distortion, offers high-quality diffusion-weighted images. We succeeded in depicting the cranial nerves within the brain stem in some subjects by using this method with motion-probing gradient applied in the superior-inferior direction.