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. Author manuscript; available in PMC: 2017 Jun 13.
Published in final edited form as: Alzheimers Dement. 2015 Jun;11(6):e1–120. doi: 10.1016/j.jalz.2014.11.001

Fig. 23.

Fig. 23

Pittsburgh compound B-positron emission tomography (PiB-PET) and magnetic resonance imaging (MRI) comparisons of MCI converters versus MCI nonconverters. Left: MCI progressor. Top: positive PiB-PET. Bottom: MRI illustrating atrophic hippocampi and ventricular enlargement. Right: MCI nonprogressor. Top: negative PiB-PET with nonspecific white matter retention but no cortical retention. Bottom: MRI illustrating normal hippocampi and no ventricular enlargement. Reproduced with permission from Ref [152].