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  2. Amyloid-related imaging abnormalities - Wikipedia

    en.wikipedia.org/wiki/Amyloid-related_imaging...

    Amyloid-related imaging abnormalities (ARIA) are abnormal differences seen in magnetic resonance imaging of the brain in patients with Alzheimer's disease. ARIA is associated with anti-amyloid drugs, particularly human monoclonal antibodies such as aducanumab. [1] There are two types of ARIA: ARIA-E and ARIA-H.

  3. Amyloid plaques - Wikipedia

    en.wikipedia.org/wiki/Amyloid_plaques

    The diagnosis of Alzheimer's disease typically requires a microscopic analysis of plaques and tangles in brain tissue, usually at autopsy. [40] However, Aβ plaques (along with cerebral Aβ-amyloid angiopathy ) can be detected in the brains of living subjects by preparing radiolabeled agents that bind selectively to Aβ deposits in the brain ...

  4. Neuroimaging - Wikipedia

    en.wikipedia.org/wiki/Neuroimaging

    PET is probably most useful in early cases of certain dementias (with classic examples being Alzheimer's disease and Pick's disease) where the early damage is too diffuse and makes too little difference in brain volume and gross structure to change CT and standard MRI images enough to be able to reliably differentiate it from the "normal" range ...

  5. This Routine Scan Could One Day Detect Alzheimer’s Before ...

    www.aol.com/lifestyle/routine-scan-could-one-day...

    While eye scans can’t yet diagnose Alzheimer’s disease, Dr. Simon Law, MD, an ophthalmologist at UCLA Health, says these studies are helping doctors better understand the connection between ...

  6. Posterior cortical atrophy - Wikipedia

    en.wikipedia.org/wiki/Posterior_cortical_atrophy

    Posterior cortical atrophy (PCA), also called Benson's syndrome, is a rare form of dementia which is considered a visual variant or an atypical variant of Alzheimer's disease (AD). [ 1 ] [ 2 ] [ 3 ] The disease causes atrophy of the posterior part of the cerebral cortex , resulting in the progressive disruption of complex visual processing . [ 4 ]

  7. Silent brain changes precede Alzheimer's. Researchers have ...

    www.aol.com/news/silent-brain-changes-precede...

    A large study in China tracked middle-aged and older adults for 20 years, using regular brain scans, spinal taps and other tests. ... The amyloid finding in future Alzheimer's patients was the ...

  8. Shifts in brain activity may signal Alzheimer's long before ...

    www.aol.com/shifts-brain-activity-may-signal...

    Scientists have spotted changes in brain activity that may point to Alzheimer’s. RapidEye/Getty Images ... the cause of Alzheimer’s disease includes the build-up of amyloid-beta and tau ...

  9. Brain positron emission tomography - Wikipedia

    en.wikipedia.org/wiki/Brain_positron_emission...

    PET imaging with 18F-FDG takes advantage of the fact that the brain is normally a rapid user of glucose. Standard 18F-FDG PET of the brain measures regional glucose use and can be used in neuropathological diagnosis. Example: Brain pathologies such as Alzheimer's disease greatly decrease brain metabolism of both glucose and oxygen in tandem ...

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