In this discussion, Dr Tanenbaum, Ana Franceschi, MD, associate professor of radiology at Lenox Hill Hospital, Hofstra/Northwell in New York City; and Adam Samchuck, senior product manager for PET Solutions at Siemens Healthineers, North America, explore the evolving role of molecular imaging in Alzheimer disease (AD) diagnosis, as well as the impact of emerging AD therapeutics.