amyloid imaging

What is amyloid imaging used for?

Several different radiotracers are now approved for use (primarily for research purposes) in the evaluation of patients with cognitive impairment to help ascertain a diagnosis. Amyloid accumulation is characteristic of AD although it can also occur in other neurodegenerative disorders and has been observed in approximately 10% of the normal population. Those patients with mild cognitive impairment who demonstrate a significant amyloid burden on PET imaging are considered to most likely have AD ( Figure 83-11 ). Those patients without significant amyloid burden are more likely to have a different etiology for their cognitive impairment.

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