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AJNR - American Journal of Neuroradiology

Published ahead of print on January 9, 2008
doi: 10.3174/ajnr.A0927

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American Journal of Neuroradiology 29:526-527, March 2008
© 2008 American Society of Neuroradiology

Case Report
BRAIN

Subthalamic Lesion on MR Imaging in a Patient with Nonketotic Hyperglycemia-Induced Hemiballism

H.-J. Kim^a,c, W.J. Moon^b, J. Oh^a, I.K. Lee^a, H.Y. Kim^a,c and S.-H. Han^a,c

^a Department of Neurology, Konkuk University Hospital, Konkuk University School of Medicine, Seoul, Korea
^b Department of Radiology, Konkuk University Hospital, Konkuk University School of Medicine, Seoul, Korea
^c Center for Geriatric Neuroscience Research, Institute of Biomedical Science, Konkuk University, Seoul, Korea

Please address correspondence to Seol-Heui Han, MD, Department of Neurology, Konkuk University Hospital, Konkuk University School of Medicine, 4–12 Hwayanag-dong, Gwangngjin-gu 143–729, Seoul, Korea: e-mail: alzdoc{at}kuh.ac.kr

SUMMARY: Hemiballism with corresponding striatal T1 hyperintensity on MR imaging has occasionally been reported in patients with nonketotic hyperglycemia. However, the subthalamic nucleus lesion, which is believed to be pathogenetically related to hemiballism, is rarely documented in a living patient with nonketotic hyperglycemia. We describe a patient with nonketotic hyperglycemia-induced hemiballism, whose responsible lesion (ie, the subthalamus) was demonstrated by MR imaging.