Computerized tomography (CT), Magnetic Resonance Imaging form the backbone of head and neck cancer imaging. This review describes the role of newer functional imaging techniques like diffusion weighted MR imaging and perfusion imaging in head and neck cancers. A review of the current role of PET-CT in head and neck tumors is also included in this article.
Keywords: Diffusion Imaging; FDG PET/CT; Head neck Cancer; Perfusion Imaging.