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FIG 1. Surgically induced meningeal enhancement. The preoperative MR image (left) (674/20/2) does not show contrast enhancement of the pial surface in the central sulcus, which clearly enhances on the intraoperative MR examination (middle, arrow) (532/15/3). This enhancement persists on the early postoperative MR examination (right, arrow) (674/20/2).
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