Clinical Research Directory

Inclusion Criteria: * Signed informed consent * Adult, male or female, aged 18 or over * Patient with a malignant tumor of the oral cavity, oropharynx, hypopharynx, larynx, sinuses, or salivary glands, regardless of lymph node status (any N) M0, operable * Member or beneficiary of a social security plan Exclusion Criteria: * Child-Pugh C liver failure * Patients under guardianship, conservatorship, or legal protection * Patients deprived of their liberty * Pregnant or breastfeeding women * Hypersensitivity to 18F-FDG or any of its excipients (ethanol or water for injection) * Uncontrolled diabetes * Moderate to end-stage renal failure, stage IIIB to V (glomerular filtration rate less than 44 mL/min/1.73 m²) * Patients unable to understand the study for any reason or to comply with the trial requirements (language, psychological, or geographical issues).