Stereotactic Body Radiotherapy for Head and Neck Tumors

This single site, non-randomized, prospective, phase IV study includes 3 patient groups to be
treated with SBRT:

- Benign tumors, such as paraganglioma, chordoma, chondrosarcoma, as the sole treatment or
to gross residual disease after maximal safe resection

- Malignant tumors, such as nasopharynx cancer and squamous cell carcinoma, after initial
external beam radiation (Residual Disease Group)

- Unresectable malignant tumors, such as nasopharynx cancer and squamous cell carcinoma,
adenocarcinomas, and sarcomas which are recurrent after prior radiation (Primary RT
Group) Data collected will include baseline patient demographics, pathology data,
radiation therapy procedure, tumor recurrence data, and toxicities.

Follow up data will be collected during the patient's standard office visits. The anticipated
duration of this study is 5 years.

Inclusion Criteria:

- Patient age > 18 years

- Zubrod performance status of 0-3

- Benign head and neck tumors such as paragangliomas, chordoma, chondrosarcoma

- Malignant head and neck cancers such as invasive squamous cell carcinoma,
adenocarcinoma, nasopharyngeal carcinoma, salivary gland cancers, and sarcoma

- Signed study-specific consent form

Exclusion Criteria:

- Pregnant or lactating women, due to potential exposure of the fetus to RT and unknown
effects of RT on lactating females

- Patients with psychiatric or addictive disorder that would preclude obtaining informed
consent