Radiothérapie : quelle cible ? Apport des techniques d'imagerie TDM et TEP

CT and PET imaging techniques are commonly used. The first provides information on the precise anatomical tumor extension, and PET is an indispensable component for staging and assessing malignancy, and changes the volumes and radiation fields in more than 1/3 patients. The prospects of these images techniques are the modulation by PET during radiotherapy of the dose to be delivered by assessing early tumor radiosensitivity, and the use of new tracers of tumor cell metabolism such as hypoxia or angiogenesis.