Radiation therapy is used to kill cancerous tumor cells or prevent benign tumors or abnormalities from continuing to grow. Because conventional radiation can affect healthy and unhealthy cells alike, researchers developed stereotactic radiosurgery (sometimes called SRS), a more targeted/focused treatment alternative. Despite its name, stereotactic radiosurgery is a nonsurgical form of radiation therapy that enables highly focused beams of radiation to be targeted directly to the lesion, while protecting surrounding healthy tissue. Gamma Knife technology uses only stereotactic radiosurgery.
Stereotactic radiosurgery doesn’t require anesthesia, incisions or a hospital stay. Instead, it’s performed in an outpatient center, typically in a single session. Using advanced computer planning, your care team determines the exact location within the brain to target.
Stereotactic radiosurgery is an option for many brain conditions, including patients with single or multiple brain metastases, benign lesions, arteriovenous malformations (AVMs) and/or tumors that are considered inoperable with traditional neurosurgery. Depending on the disease site being treated, it may be used as the single treatment — instead of surgery or whole-brain radiation — or in combination with surgery and/or external beam radiation.
Learn answers to frequently asked questions about Gamma Knife and what to expect during stereotactic radiosurgery and Gamma Knife treatment.
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The Valley Hospital is pleased to be one of the first hospitals in the United States to offer the Leksell Gamma Knife Icon — the latest technology for the treatment of benign and malignant brain tumors and neurological conditions in the brain.