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Stereotactic Radiosurgery

Stereotactic Radiosurgery (SRS) is a special form of radiation therapy used to treat benign and malignant brain tumors, blood vessel abnormalities of the brain and some neurologic conditions. Because the technologies used for SRS enable physicians and technicians to focus delivery accurately within millimeters, precise doses of radiation are delivered directly and only to the targeted area. Sometimes the total dose is divided into two or more  sessions, called fractions, in order to deliver an adequate  total dose to the tumor while minimizing the effect on the  rest of the body.


SRS can be used to treat:

• Brain tumors
• Pituitary tumors
• Skull base tumors (including meningioma and schwannoma)
• Arteriovenous malformations (AVM)
• Acoustic neuromas
• Trigeminal neuralgia

SRS has been shown to offer the following advantages over surgical treatment:

• Minimally invasive – no incision
• An option for some tumors that cannot be reached safely by traditional open surgery
• The ability to perform certain procedures as an outpatient without an overnight stay in the hospital
• A rapid return to normal activities, in most cases


Our caring team of experts in radiation oncology provides stereotactic radiosurgery using state-of-the-art equipment as part of the comprehensive care offered at Smilow Cancer Hospital at Yale-New Haven.