Dose reduction from loss of backscatter in superficial x-ray radiation therapy with the Pantak SXT 150 unit View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2008-03

AUTHORS

B. J. Healy, S. Sylvander, K. N. Nitschke

ABSTRACT

Loss of backscatter has been measured for a Pantak Therapax SXT 150 superficial x-ray therapy unit. Ionisation chamber measurements at the surface were performed in solid water with and without underlying lead to confirm the applicability of previous published measurements. Measurements of loss of backscatter with and without lead allowed the effect of underlying lead to be separated from the effect of loss of backscatter. It was found that the difference between the effect of lead and that of air on surface dose is minimal for solid water phantom thickness exceeding 3 cm. Differences up to 3% in dose reduction at the surface were found between this work and previous published results with different x-ray units. More... »

PAGES

49-55

References to SciGraph publications

  • 2005-06. Output factor measurements for a kilovoltage x-ray therapy unit in AUSTRALASIAN PHYSICAL & ENGINEERING SCIENCES IN MEDICINE
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/bf03178453

    DOI

    http://dx.doi.org/10.1007/bf03178453

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1019107071

    PUBMED

    https://www.ncbi.nlm.nih.gov/pubmed/18488964


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