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AJNR - American Journal of Neuroradiology

Published ahead of print on February 7, 2008
doi: 10.3174/ajnr.A0957

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American Journal of Neuroradiology 29:911-912, May 2008
© 2008 American Society of Neuroradiology

Technical Note
BRAIN

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

M. Adachi^a, H. Kabasawa^b and E. Kawaguchi^a

^a Department of Radiology, Ohshima Clinic, Yamagata, Japan
^b Japan Applied Science Laboratory, 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.