Tumor Metabolism of Head and Neck Cancer in Patients Who Underwent Radiation Therapy Measured With F-18-FDG-PET

The purpose of the study is to describe the regional and global FDG-kinetics in head and neck cancer during percutaneous radiation therapy.

Inclusion Criteria:

• Histologically confirmed head and neck cancer not curable by surgery
• Karnofsky > 70%
• Tumor volume and localization allow curative radiotherapy
• Written consent

Exclusion Criteria:

• Metastases
• Earlier radiotherapy of head or neck
• Pregnancy
• Secondary malignancy excluding dermal carcinoma T1 and Tis-carcinoma of cervix uteri
• Psychiatric impairment