RT Journal Article SR Electronic T1 Advanced MR Imaging of Cortical Dysplasia with or without Neoplasm: A Report of Two Cases JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1686 OP 1691 VO 23 IS 10 A1 Pillai, Jay J. A1 Hessler, Richard B. A1 Allison, Jerry D. A1 Park, Yong D. A1 Lee, Mark R. A1 Lavin, Tom YR 2002 UL http://www.ajnr.org/content/23/10/1686.abstract AB Summary: We herein describe two cases of patients with epilepsy with occipital lobe cortical dysplasia who were studied with both MR spectroscopy and MR diffusion imaging in addition to conventional MR imaging. Greater diffusion abnormalities, as well as more marked decreases in N-acetylaspartate, were observed to occur in the patient harboring a low grade neoplasm within an area of cortical dysplasia than in the patient with cortical dysplasia alone.