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Stereotaxis in which tissue destruction is produced by ionizing radiation rather than by surgical incision.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
stereotactic radiosurgeryStereotactic radiotherapy Radiation oncology A nonsurgical RT technique that delivers numerous narrow, precisely aimed, highly focused beams of ionizing radiation that converge at a specific point–the tumor; SR uses heavy charged particles–protons or helium ions, photons–γ radiation or a linear-accelerator to treat intracranial lesions inaccessible to conventional neurosurgery. See Gamma knife.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.