Red glow test that could catch Alzheimer's before it strikes

20 Things To Know About Alzheimer's Disease

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A revolutionary brain- scanning technique that can diagnose Alzheimer’s disease with almost perfect accuracy was unveiled last week. 

The breakthrough gives new hope for catching the illness in its earliest stages, even before symptoms fully develop – and also means there will be less chance of misdiagnosis, so those with other forms of dementia can be given the correct treatment.

The test has entered final clinical trial stages. Should results continue to prove successful, it could be rolled out by the end of 2012. Until now, the only way to diagnose Alzheimer’s (AD) was by ruling out other conditions such as cancer, depression or even a vitamin deficiency. Definitive confirmation came after death when brain samples containing high levels of beta amyloid plaques, the growths that characterise AD, are found.

But now a new compound called Flutemetamol, which highlights areas of the brain that are affected by the disease when scanned, is showing promising results in clinical studies.

The compound is injected into the arm and the patient exhibiting symptoms of AD undergoes a positron emission tomography (PET) scan. If beta amyloid plaques are present in the brain, Flutemetamol makes them glow red, which confirms the patient has AD. Continue to read: dailymail.co.uk

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