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. 2016 Sep 13;89(1066):20160537. doi: 10.1259/bjr.20160537

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

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Figure 2. — Post-contrast T₁ weighted imaging (PC T1WI), T₂ weighted imaging (T2WI) and relative cerebral blood volume (rCBV) maps for two patients with grade-II ependymomas in a supra- (a) or infratentorial (b) location. Note the high rCBV in enhanced regions of the lesions and the low rCBV in the cystic regions. PC T1WI, T2WI and rCBV maps for a patient (c) with an enhancing grade-III ependymoma, and a patient (d) with a non-enhancing grade-III ependymoma. Note the heterogeneous high rCBV in the region corresponding to the anatomical lesion.