Mount Sinai School of Medicine's Effie Mitsis reported at an Alzheimer's meeting that a florbetapir PET scan was instrumental in diagnosing a former pro football player with a form of post-traumatic dementia with possible chronic traumatic encephalopathy. If not for the scans, the patient likely would have undergone "completely inappropriate" Alzheimer's disease therapy because he had signs of cognitive impairment, Mitsis said.

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