Functional Sparing of Salivary Glands Using MRI Sialography for Patients Undergoing Definitive Radiation Therapy for Head and Neck Cancers of the Oropharynx

Inclusion Criteria

• •At least 18 years of age
• •T0-4, N0-3, M0 disease of the oropharynx
• •Will be treated with intensity modulated radiation therapy (IMRT) and with definitive intent (either definitive or postoperative radiotherapy)
• •No contraindications to receiving an magnetic resonance imaging (MRI) such as: implanted electrical devices, pregnancy, and/or significant quantities of metal in the head/neck
• •Radiologic confirmation of the absence of hematogenous metastasis within 12 weeks prior to treatment; at a minimum, chest x-ray is required (computerized tomography (CT) imaging of the chest or positron emission tomography (PET) /CT is acceptable)
• •Eastern Cooperative Oncology Group (ECOG) Performance Status 0-2
• •Able to comply with the treatment plan and follow-up schedule
• •Provides study-specific informed consent prior to study entry