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Stereotactic dose perturbation from an aneurysm clip measured by Gafchromic®EBT film
He Cheng-Fa; Geso Moshi; Ackerly T.; Wong C.J.
2008
Source PublicationAustralasian Physical and Engineering Sciences in Medicine
ISSN1589938
Volume31Issue:1Pages:18-23
AbstractAneurysm clips within stereotactic treatment volumes enhance spatial accuracy but perturb the dose distribution. The dose perturbations caused by a standard titanium alloy aneurysm clip (Ti6Al4V) have been measured with Gafchromic® EBT film. The maximum dose perturbation was an increase of 6% within 0.5 mm of the beam entry surface of the clip, and a decrease of 7% within 0.5 mm of the beam exit surface of the clip. Results also showed perturbations to film readout due to the presence of micro dust particles on the film affecting optical properties at high spatial resolution (21um) scanning. Special procedures should be used when film is immersed in water, dried and then read at high spatial resolution. We recommend that films should be immersed only in distilled water and tools such as canned air puffs should be used to clean films without scratches.
Indexed ByEI
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/1989
Collection材料物理与化学研究室
AffiliationChina Institute of Atomic Energy, Beijing, China;School of Medical Sciences, RMIT University, Bundoora, VIC 3083, Australia;William Buckland Radiotherapy Centre, Alfred Hospital, Australia;The Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Science, Urumqi, Xinjiang, China
Recommended Citation
GB/T 7714
He Cheng-Fa,Geso Moshi,Ackerly T.,et al. Stereotactic dose perturbation from an aneurysm clip measured by Gafchromic®EBT film[J]. Australasian Physical and Engineering Sciences in Medicine,2008,31(1):18-23.
APA He Cheng-Fa,Geso Moshi,Ackerly T.,&Wong C.J..(2008).Stereotactic dose perturbation from an aneurysm clip measured by Gafchromic®EBT film.Australasian Physical and Engineering Sciences in Medicine,31(1),18-23.
MLA He Cheng-Fa,et al."Stereotactic dose perturbation from an aneurysm clip measured by Gafchromic®EBT film".Australasian Physical and Engineering Sciences in Medicine 31.1(2008):18-23.
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