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CEUS imaging. In the left box, CEUS scan of the lesion is displayed; in the right box, fusion imaging between intraoperative CEUS and corresponding preoperative MRI aid in US interpretation. Because the main vascular supply of this lesion was from dural attachment, once it was coagulated, no perfusion of the lesion was noticeable. The principal vascular structures are clearly visible: plexus of Willis, basilar tip, cavernous sinus, and the neighbor middle cerebral artery.
