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Gamma Knife® technology is a type of radiation treatment known as stereotactic radiosurgery that destroys the tumor without opening the skull as in traditional open surgery. The therapy is most often used to treat brain tumors and has been in popular use for nearly half a century.

The Gamma Knife employs 201 small radio-cobalt sources surrounding a central chamber for the head. A CT or MRI scan is used to pinpoint the exact location of the tumor in the brain. High-energy radiation beams are trained on the tumor from different angles, and the radiation destroys the tumor.

The specialists in the Inova Neuro-oncology Program work closely with Inova Cancer Institute in the diagnosis and treatment of brain tumors. For more information, call 703-776-4700.