Beta-amyloid plaques predict cognitive disease advance

August 1, 2008 Diagnostic Imaging. Beta-amyloid plaques predict cognitive disease advance PET imaging identifies affected elderly individuals at greatest risk for developing Alzheimer's disease -------------------------------------------------------------------------------- Results from a preliminary PET imaging study suggest that 80% of elderly people with mild cognitive impairment and evidence of beta-amyloid plaque in their brains will develop Alzheimer's disease. Dr. Victor Villemagne, a dementia researcher from the Center for PET at Austin Hospital in Melbourne, Australia, drew this conclusion from a two-year study of 85 MCI subjects, Alzheimer's patients, and normal volunteers. His results were presented in June at the 2008 SNM meeting.

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