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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Veröffentlicht in: | Technology in cancer research & treatment 2007-04, Vol.6 (2), p.123-126 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | 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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ISSN: | 1533-0346 1533-0338 |
DOI: | 10.1177/153303460700600208 |