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AJNR - American Journal of Neuroradiology

Published ahead of print on March 11, 2009
doi: 10.3174/ajnr.A1522

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American Journal of Neuroradiology 30:1412-1413, August 2009
© 2009 American Society of Neuroradiology

Case Report
BRAIN

MR Imaging Identification of Oligodendroglial Hyperplasia

B.E. Hamilton^a and G.M. Nesbit^a

^a From the Department of Radiology, Oregon Health & Sciences University, Portland, Ore

Please address correspondence to Bronwyn E. Hamilton, MD, Mail Code CR 135, 3181 SW Sam Jackson Park Rd, Portland, OR 97068; e-mail: hamiltob{at}ohsu.edu

SUMMARY: We report a case of oligodendroglial hyperplasia detected by using high-resolution high-field MR imaging. This disorder is considered part of the spectrum of cortical migrational abnormalities and is found with increased incidence in patients with epilepsy. Surgery offers the best chance for cure in patients with medically refractory partial complex epilepsy. Accurate localization and detection of the full lesion extent by using a high-resolution imaging technique such as 3T MR imaging is important to surgical success. Detection of subtle dysplastic lesions such as oligodendroglial hyperplasia may be clinically relevant.