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. 2016 Apr 11;89(1062):20150624. doi: 10.1259/bjr.20150624

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© 2016 The Authors. Published by the British Institute of Radiology

This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 Unported License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.

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Figure 4. — Intraoperative axial images from a single patient following a tumour-debulking surgery of a high-grade anaplastic astrocytoma (the region of residual tumour tissue is highlighted in the white circles). (a) Axial T₁ weighted post-gadolinium (post gad) image. Cerebral blood flow (CBF) images for arterial spin labelling (ASL) with no vascular crushing (i.e. ASL noVC) (b), ASL with vascular crushing (c) and relative cerebral blood flow (rCBF) dynamic susceptibility contrast (DSC) (d) are shown with different scales. Arterial arrival time (aT) ASL with vascular crushing/delay time images for ASL (e), ASL with vascular crushing (f) and delay time from DSC (g) are shown with different scales. VC, vascular crushers.