Surface and percentage depth doses for secondary blocking using a multileaf collimator and cerrobend-alloy blocks.
basic_science · Level V
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- Record sourced from PubMed, PMID 9155079.
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Abstract
Percentage depth doses from the surface to a depth of 30 cm have been measured for a number of square fields using 6 MV and 15 MV X-rays as part of the commissioning procedure for a commercially available MLC. Factors such as changing SSD, presence of a secondary blocking tray in the beam, and radiation transmission between the MLC leaves were investigated.
Medical subject headings
- Radiation Protection
- Radiotherapy Planning, Computer-Assisted