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Proceedings Paper

Improving spatial resolution of multileaf-collimator-defined radiation treatment field
Author(s): Q. Jackie Wu; Zhiheng Wang; Claudio H. Sibata
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Paper Abstract

A prototype high definition multi-leaf collimator system (HDI) has been developed and installed on the linear accelerator for use in conformal radiotherapy. The HDI technique utilizes the dynamic shift of the 3D-target volume to feather the multi-leaf collimator defined field edges. During each feathering, the leaf positions are adjusted according to the updated target image projected into the MLC plane. The purpose of this study is to demonstrate that this device can improve spatial resolution of a conformal radiation therapy treatment. The results of this study indicate that the HDI technique can be a useful tool for treating small, or highly irregular shaped targets, and for sparing adjacent critical structures for certain cases.

Paper Details

Date Published: 28 May 2001
PDF: 7 pages
Proc. SPIE 4319, Medical Imaging 2001: Visualization, Display, and Image-Guided Procedures, (28 May 2001); doi: 10.1117/12.428112
Show Author Affiliations
Q. Jackie Wu, Case Western Reserve Univ. School of Medicine (United States)
Zhiheng Wang, Case Western Reserve Univ. School of Medicine (United States)
Claudio H. Sibata, Case Western Reserve Univ. School of Medicine (United States)


Published in SPIE Proceedings Vol. 4319:
Medical Imaging 2001: Visualization, Display, and Image-Guided Procedures
Seong Ki Mun, Editor(s)

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