Stereotactic Body Radiation Therapy (SBRT)

Prior to treatment, the technology’s specially designed coordinate system precisely locates the tumor to ensure proper placement of tiny seed-like tracking devices. These seeds track the radiation, and help to spare the surrounding healthy tissues from radiation exposure.

During SBRT, we may use the Trilogy™ system to deliver concentrated, highly focused radiation treatments. Our doctors may deliver a single high dose of radiation, or a few fractionated radiation doses (usually up to five treatments over a period of days).

During SBRT, we can also use the CyberKnife^® VSI™ Robotic Radiosurgery System to deliver targeted radiation to a tumor from various angles. The system is able to track the tumor and continually adjust the radiation treatment to account for movement, helping to spare surrounding healthy tissue.

SBRT may be a promising option for patients who are not able to undergo surgery. This technology may also be used to treat medically inoperable tumors or tumors that have recurred after previous radiation treatments.

Advantages of SBRT

• SBRT uses custom mapping with the Trilogy™ system, and a tracking system with CyberKnife^®, to account for the patient’s anatomy, breathing, organ and tumor motion.
• SBRT allows us to treat small tumors close to critical organs with less damage to surrounding healthy tissues.
• With SBRT, we can deliver a single high-dose radiation treatment, so patients are often able to complete their treatment in a shorter time than with standard radiation treatment.

Other tumor types that may be treated with SBRT include: bile duct, kidney, prostate, pelvic, and sarcomas.