Author： Godwin G A Simpson J B Mugabe K V
Publisher： IOP Publishing
ISSN： 0031-9155
Source： Physics in Medicine and Biology, Vol.57, Iss.14, 2012-07, pp. : 4643-4654
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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.
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