This article relates to the FDG-PET scan itself, to normal patterns of FDG
uptake in the head and neck, and to the main indications of FDG-PET in neck
oncology. FDG-PET imaging in neck oncology has a definite impact in the po
st therapy setting, assisting in the management of thyroid cancers and squa
mous cell carcinomas of the neck. In the detection of tumor recurrence, FDG
-PET seems to be more effective and reliable than anatomic imaging techniqu
es.