Abass Alavi, Hospital of the University of Pennsylvania, USA

Title: Evolving role of PET imaging in assessing vascular and central nervous system complications of radiation therapy in head and neck cancer Thomas J. Werner and Abass Alavi, MD Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce St, Philadelphia, PA 19104, USA Evolving role of PET imaging in assessing vascular and central nervous system complications of radiation therapy in head and neck cancer Thomas J. Werner1 and Abass Alavi, MD1* 1Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce St, Philadelphia, PA 19104, USA