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Stereotactic Radiosurgery

Last Updated 3/1/2009 12:00:48 PM

El Camino Hospital is advancing some of the technologies used to treat a variety of cancers, particular neurological tumors. Included in our suite of services is a stereotactic radiosurgery (SRT) device called BrainLab™, which is based on linear accelerator technology.

It shapes high-energy beams directly on the tumor. The photon beams are delivered through a high-resolution "beam shaper," also called a micro-Multileaf Collimator. This device consists of individually motorized tungsten leaves that can be automatically and precisely positioned to allow the beam to conform to the shape of the lesion from any angle. This allows doctors to specifically target the tumor without missing any area.

Dr. Robert Sinha, Director, Radiation Oncology at El Camino Hospital has presented clinical data and papers at various national conferences on the use of these technologies. The clinical results are promising, with 92 percent local control of brain metastases treated with radiosugery. He and other researchers also compared stereotactic radiotherapy (SRT) to surgical resection for the treatment of acoustic neuromas and vestibular schwannomas. They found that SRT provided 100 percent local control and 85 percent hearing retention, better than traditional surgical treatment.

SRT and SRS (stereotactic radiosurgery) are not for all patients. It is important to talk with your doctor to determine if you are a candidate.