PET imaging has shown its value in diagnosing diseases affecting older people. Most significantly this has been with regard to the diagnosis of Alzheimer’s disease and other forms of dementia. Parkinson’s disease is another condition in which PET has proved valuable. This issue also included articles on the uses of PET for diagnosing cerebrovascular disease and for assessing neuroplasticity.
By Andrew B. Newberg, MD and Abass Alavi, MD, Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA