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Phys Med Biol. 2012 Jul 21;57(14):4643-54. doi: 10.1088/0031-9155/57/14/4643. Epub 2012 Jul 2.

Characterization of a dynamic multi-leaf collimator for stereotactic radiotherapy applications.

Author information

  • 1Auckland Radiation Oncology, 98 Mountain Road, Epsom, Auckland 1023, New Zealand. guy.godwin@aro.co.nz

Abstract

The Apex® dynamic mini-multileaf collimator has recently been released by Elekta and attaches directly to the linear accelerator head. This paper details the work and results obtained in characterizing this mini-MLC for stereotactic usage within our department. A range of mechanical and dosimetric characteristics were investigated which included inter and intra leaf leakage, light/radiation field congruence, leaf position reproducibility, radiation penumbra, total scatter factors and mechanical rotational stability with the additional mini-MLC weight.

PMID:
22750675
[PubMed - indexed for MEDLINE]
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