Half of Alzheimer's cases misdiagnosed

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Half of Alzheimer's cases misdiagnosed

Feb. 23, 2011

[...]

White and his colleagues performed brain autopsies—the only surefire way of

diagnosing Alzheimer's—on more than 400 elderly Japanese-American men. Only

about half of those who had a diagnosis of Alzheimer's before death had the

brain plaques that signal the disease. The dementia in the other half appeared

to have been caused by abnormal protein deposits (known as Lewy bodies),

stroke-related tissue death (microinfarcts), cell damage, or some combination

thereof.

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