II. Indications: Tumors near critical structures
- Head and neck cancer
- Prostate Cancer
III. Mechanism
- Radiation beam is divided into separate, multiple beamlets
- Tungsten leaves shape each beamlet to protect critical tissues
IV. Protocol
- Tumor Localization: MRI or CT directed radiation
- Dose: May exceed 30 minutes per application
- Schedule: Monday through Friday
- Duration: 2-7 weeks