Intraoperative diffusion imaging on a 0.5 Tesla interventional scanner

Intraoperative line scan diffusion imaging (LSDI) on a 0.5 Tesla interventi onal MRI was performed during neurosurgery in three patients. Diffusion tra ce images were obtained in acute ischemic cases. Scan time per slice was 46 seconds and 94 seconds, respectively, for diffusion tensor images. Diagnos is of acutely developed vascular occlusion was confirmed with follow-up sca ns. White matter tracts were displayed with the principal eigenvectors and provided guidance for the tumor surgery. In all cases, the diagnostic utili ty of LSDI was established. (C) 2001 Wiley-Liss, Inc.