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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 26:1845-1848, August 2005
© 2005 American Society of Neuroradiology

Case Report
BRAIN

Pallidoreticular Damage in Acute Carbon Monoxide Poisoning: Diffusion-Weighted MR Imaging Findings

Toshibumi Kinoshita^a, Shuji Sugihara^a, Eiji Matsusue^a, Shinya Fujii^a, Motoki Ametani^a and Toshihide Ogawa^a

^a From the Division of Radiology, Department of Pathophysiological and Therapeutic Science, Faculty of Medicine, Tottori University, Tottori, Japan

Address reprint requests to T. Kinoshita, MD, Division of Radiology, Department of Pathophysiological and Therapeutic Science, Tottori University, Faculty of Medicine, 36-1 Nishi-cho, Yonago, Tottori, 683-8504, Japan

Summary: We describe a case of carbon monoxide poisoning that led to pallidoreticular damage and delayed leukoencephalopathy. Serial diffusion-weighted MR imaging was performed. A restricted water diffusion pattern was demonstrated in the globus pallidus and substantia nigra in the early stage. Diffusion-weighted imaging is useful for early identification of the effects of acute carbon monoxide poisoning.

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