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  2. Alzheimer's disease - Wikipedia

    en.wikipedia.org/wiki/Alzheimer's_disease

    Due to low accuracy, the C-PIB-PET scan is not recommended as an early diagnostic tool or for predicting the development of AD when people show signs of mild cognitive impairment (MCI). [160] The use of 18 F-FDG PET scans, as a single test, to identify people who may develop Alzheimer's disease is not supported by evidence.