Optically Guided Linac Radiosurgery with a Leksell Head Frame as an Adjunct to Gamma Knife™ Treatment
Because of geometrical limitations in the helmet of the Leksell Gamma Knife™ (Elekta Corp., Atlanta, GA, USA) certain regions within the cranium cannot be targeted for treatment. We describe a method by which lesions in these regions can be treated with the Varian-Zmed stereotactic radiosurgery syst...
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creator | Ekstrand, Kenneth E. Hinson, William H. Kearns, William Bourland, J. Daniel deGuzman, Allan F. McMullen, Kevin P. Stieber, Volker W. |
description | Because of geometrical limitations in the helmet of the Leksell Gamma Knife™ (Elekta Corp., Atlanta, GA, USA) certain regions within the cranium cannot be targeted for treatment. We describe a method by which lesions in these regions can be treated with the Varian-Zmed stereotactic radiosurgery system utilizing an infrared optical positioning system attached to a Leksell head frame. We have measured the accuracy of the optical tracking system using a phantom attached to a Leksell frame and have determined that the system can target a linear accelerator radiosurgery beam to an accuracy of within 1 millimeter. |
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subjects | Biological and medical sciences Diseases of the nervous system Humans Magnetic Resonance Imaging Medical sciences Radiosurgery - instrumentation Radiosurgery - methods Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) Tomography Scanners, X-Ray Computed Tumors |
title | Optically Guided Linac Radiosurgery with a Leksell Head Frame as an Adjunct to Gamma Knife™ Treatment |
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