Chapters Transcript Video PET/CT of Head and Neck Cancer John Donnal, M.D., neuroradiologist at Sentara Norfolk General Hospital, presents a brief overview of PCT methods and then discusses PCT for initial staging and post initial treatment of HNC. Dr. Donnal also looks forward to the future of PCT. Published February 3, 2017 Created by Related Presenters John Donnal, M.D. Neuroradiologist View full profile