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

Etsuo Kunieda, Osamu Kawaguchi, Hidetoshi Saitoh, Tatsuya Fujisaki, Atsuya Takeda, Takatsugu Kawase, Hossain M. Deloar, Naoyuki Shigematsu, Atsushi Kubo

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)45-48
Number of pages4
JournalRadiotherapy and Oncology
Volume70
Issue number1
DOIs
Publication statusPublished - 2004 Jan

Keywords

  • Accuracy
  • Beam's eye monitor
  • Linear accelerator
  • Radiosurgery

ASJC Scopus subject areas

  • Hematology
  • Oncology
  • Radiology Nuclear Medicine and imaging

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