A type of external radiation therapy that uses special equipment to position the patient and precisely give a single large dose of radiation to a tumor. It is used to treat brain tumors and other brain disorders that cannot be treated by regular surgery. It also is being studied in the treatment of other types of cancer. Also called stereotaxic radiosurgery, stereotactic radiosurgery, and radiation surgery.

English dictionary of cancer terms . 2015.

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  • radiosurgery — ra·dio·surgery …   English syllables

  • radiosurgery — |rādē(ˌ)ō+ noun Etymology: radio + surgery : surgery by means of the radio knife …   Useful english dictionary

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  • stereotactic radiosurgery — n a surgical technique involving the use of narrow beams of radiation (as gamma rays) that are precisely targeted by stereotactic methods to destroy tumors or lesions esp. of the brain * * * stereotaxic radiosurgery stereotactic surgery in which… …   Medical dictionary

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