Since PET was first introduced clinically, brain tumors have been an important area for its use. Diagnosing the cause of patients experiencing seizures has been an additional area for which PET has demonstrated its value. PET imaging is also being investigated for the understanding of depression and other psychiatric disorders. Also the challenges for developing radiotracers is reviewed in a separate article.
By Andrew B. Newberg, MD and Abass Alavi, MD, Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA