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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 27:1760-1762, September 2006
© 2006 American Society of Neuroradiology

Case Report
BRAIN

Reversible Reduction of Apparent Diffusion Coefficient Values in Bilateral Internal Capsules in Transient Hypoglycemia–Induced Hemiparesis

S. Albayram^a, H. Ozer^a, S. Gokdemir^b, F. Gulsen^a, G. Kiziltan^b, N. Kocer^a and C. Islak^a

^a Department of Neuroradiology, Cerrahpasa Medical School, Istanbul, Turkey
^b Department of Neurology, Cerrahpasa Medical School, Istanbul, Turkey

Address correspondence to Sait Albayram, MD, Division of Neuroradiology, Department of Radiology, Cerrahpasa Medical School, 34300 Kocamustafapasa, Istanbul, Turkey; e-mail: salbayram{at}hotmail.com

SUMMARY: A woman aged 68 years who experienced recurrent right hemiparesis caused by hypoglycemia was admitted to our hospital. When she was experiencing a low level of glucose, diffusion-weighted MR imaging showed the presence of hyperintensity lesions in the bilateral internal capsule. Diffusion-weighted MR imaging has been infrequently performed in patients with hypoglycemia. We report the reversible hyperintensity lesions on diffusion-weighted MR imaging in a hypoglycemic period in a patient with reversible hemiparesis. A reduction of apparent diffusion coefficient in a hypoglycemic period was clearly shown.