Tag Archives: PET-scan

Diagnosing Alzheimer’s with a Brain Scan

By: Dr. Pascale Michelon

Most of you have heard that Alzheimer’s Disease can only really be diagnosed after death. What does that mean? And is it still the case?

Diagnosis after Death
The hallmark of Alzheimer’s Disease is the accumulation of beta-amyloid and tau protein in the brain that forms plaques and tangles respectively. These prevent neurons from communicating and functioning normally, which results in connection and neuronal loss. Until very recently, amyloid plaques could be determined only after death, by examining the brain during an autopsy. Continue reading