Brain scans reveal key sign of Alzheimer’s onset before symptoms begin

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The results in the journal Radiology point to new possibilities for MRI’s role in the diagnosis of Alzheimer’s.


(Study Finds) — Brain scans discovering a key sign of cognitive decline could help doctors spot Alzheimer’s before symptoms ever begin, a new study reveals. Scientists with the Radiological Society of North America have linked increased volume in a brain region called the choroid plexus to greater cognitive impairment.

The discovery offers hope of a screening program to identify vulnerable individuals. Detecting early changes of the disease is vital to developing new treatments.

To date, drugs trials have failed because they test medications on patients after the disease has taken hold. The choroid plexus is a network of blood vessels, connective tissue, and cells found in spaces called ventricles. (…)

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