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. 2014 May 25;4(8):778–786. doi: 10.7150/thno.8809

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© Ivyspring International Publisher. This is an open-access article distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by-nc-nd/3.0/). Reproduction is permitted for personal, noncommercial use, provided that the article is in whole, unmodified, and properly cited.

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Comparison of ⁶⁸Ga-PRGD2 PET with MRA, contrast-enhanced MRI, and¹⁸F-FDG PET in evaluation of a 68-year-old man 2 weeks after a stroke event. Magnetic resonance angiography (MRA) on the day of the event showed obstruction of the right middle cerebral artery (A, arrow), which was still observed to be severely stenotic 2 weeks later (B, arrow). ¹⁸F-FDG PET showed diffuse low metabolism in the right hemisphere, mainly involving the frontal cortex and the basal ganglia region (C, arrow). Enhanced brain MRI showed a flaky subacute infarction area near the anterior horn of the right lateral ventricle (D, arrow). Multifocal lesions with ⁶⁸Ga-PRGD2 uptake were found around the infarction region (E, F, arrows) with a pSUV of 0.57.