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FIG 5. Animal model of surgically induced immediate intraparenchymal enhancement. In all animals in which a cortical electrocoagulation (non-vessel-opening brain lesion) had been performed, an intraparenchymal and non-time-dependent contrast enhancement (arrows) surrounding a zone of necrosis was observed. Postcontrast T1-weighted images (from left to right, 5 and 15 minutes after administration of the contrast agent) (500/20/4)
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