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. 2013 Nov 20;54(10):845–850. doi: 10.2176/nmc.cr2013-0017

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© 2014 The Japan Neurosurgical Society

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/

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Fig. 5. — a: MRA performed 2 days after surgery revealed left MCA dilation, and N-isopropyl-p-[¹²³I]-iodoamphetamine (¹²³I-IMP) SPECT showed hyperperfusion in the left temporal and parietal lobes. b: MRA performed 9 days after surgery showed that the dilated MCA was recovering its original diameter; the hyperperfusion detected on ¹²³I-IMP SPECT resolved gradually. c: MRA performed 1 month after surgery showed no dilation of the left MCA, and ¹²³I-IMP SPECT showed resolution of the hyper- and hypoperfusion in the left temporal and parietal lobes, which had previously shown hyperperfusion. MCA: middle cerebral artery, MRA: magnetic resonance angiography, SPECT: single-photon emission computed tomography.