summary: This study examines whether use of a stronger magnet (4.7 T compared to 1.5T) improves the sensitivity of MRI scans for detecting lesions within the cortical grey matter. Even at the higher field strength, 80% of cortical lesions identified on histology were undetected by MRI.

authors: Geurts JJ, Blezer EL, Vrenken H, van der Toorn A, Castelijns JA, Polman CH, Pouwels PJ, Bö L, Barkhof F.

source: J Neurol. 2008 Feb 4 [Epub ahead of print]

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