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Z Med Phys. 2013 Feb;23(1):56-64. doi: 10.1016/j.zemedi.2012.11.001. Epub 2012 Dec 1.

[What are the problems when matching photon and electron beams?].

[Article in German]

Author information

1
Medizinische Physik, Universitätsklinik für Radioonkologie Tübingen, Hoppe-Seyler-str. 3, 72076 Tübingen, Germany.

Abstract

Despite increasing IMRT techniques in the clinical routine of radiotherapy there is still the need of matching photon beams with either photon or electron beams in some particular cases. Such matched beams are investigated in this paper by mathematical adding of measured transverse dose profiles in different depths and shifting them systematically relative to each other. The resulting hot and cold spots are shown. As demonstrated, an "optimal" field matching is only rarely achieved. However, the results can help to estimate the order of magnitude of the expected dose variation.

PMID:
23207116
DOI:
10.1016/j.zemedi.2012.11.001
[Indexed for MEDLINE]
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