Measurement of beam-axis displacement from the isocenter during three-dimensional conformal radiosurgery with a micro-multileaf collimator

We describe the displacement of the beam-axis from the planning isocenter in clinical situations during three-dimensional conformal radiosurgery using an Acculeaf bi-directional micro-multileaf collimator. The displacements were recorded for 64 ports using a video imaging system and a stereotactic a...

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Bibliographic Details
Published in:	Radiotherapy and oncology Vol. 70; no. 1; pp. 45 - 48
Main Authors:	Kunieda, Etsuo, Kawaguchi, Osamu, Saitoh, Hidetoshi, Fujisaki, Tatsuya, Takeda, Atsuya, Kawase, Takatsugu, Deloar, Hossain M., Shigematsu, Naoyuki, Kubo, Atsushi
Format:	Journal Article
Language:	English
Published:	Ireland Elsevier Ireland Ltd 2004
Subjects:	Accuracy Beam's eye monitor Brain Neoplasms - surgery Humans Imaging, Three-Dimensional Linear accelerator Radiosurgery Radiosurgery - instrumentation Radiotherapy, Conformal - instrumentation Radiotherapy, Conformal - methods Stereotaxic Techniques Accuracy Linear accelerator Beam's eye monitor Radiosurgery
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Summary:	We describe the displacement of the beam-axis from the planning isocenter in clinical situations during three-dimensional conformal radiosurgery using an Acculeaf bi-directional micro-multileaf collimator. The displacements were recorded for 64 ports using a video imaging system and a stereotactic arc. The mean displacement was 0.41±0.25 mm.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0167-8140 1879-0887
DOI:	10.1016/j.radonc.2003.11.008