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Verfasst von:Klüter, Sebastian [VerfasserIn]   i
 Sroka-Pérez, Gabriele [VerfasserIn]   i
 Schubert, Kai [VerfasserIn]   i
 Debus, Jürgen [VerfasserIn]   i
Titel:Leakage of the Siemens 160 MLC multileaf collimator on a dual energy linear accelerator
Verf.angabe:Sebastian Klüter, Gabriele Sroka-Perez, Kai Schubert, and Jürgen Debus
Jahr:2011
Umfang:9 S.
Fussnoten:Published 22 December 2010 ; Gesehen am 26.09.2022
Titel Quelle:Enthalten in: Physics in medicine and biology
Ort Quelle:Bristol : IOP Publ., 1956
Jahr Quelle:2011
Band/Heft Quelle:56(2011), 2, Seite N29-N37
ISSN Quelle:1361-6560
Abstract:Multileaf collimators (MLCs) have been in clinical use for many years and meanwhile are commonly used to deliver intensity-modulated radiotherapy (IMRT) beams. For this purpose it is important to know their dosimetric properties precisely, one of them being inter- and intraleaf leakage. The Siemens 160 MLC features a single focus design with flat-sided and tilted leaves instead of tongue-and-groove. The leakage performance of the 160 MLC was investigated on a dual energy linear accelerator Siemens ARTISTE with 6 MV and 18 MV photon energies. While the intraleaf leakage amounted to nearly the same dose for 6 and for 18 MV, a much higher interleaf leakage for 6 MV was measured. It could be reduced by simply rotating the collimator, and also by changing the voltage applied to the beam steering coils. The leakage of the 160 MLC is shown to be sensitive to beam alignment. This is of special interest for dual energy accelerators, as the two focal spots of both energies, neither in position nor in shape, do not necessarily always coincide. As a consequence of that, a higher leakage can be expected for one out of two energies for the 160 MLC.
DOI:doi:10.1088/0031-9155/56/2/N02
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext ; Verlag: https://doi.org/10.1088/0031-9155/56/2/N02
 Volltext: https://iopscience.iop.org/article/10.1088/0031-9155/56/2/N02/meta
 DOI: https://doi.org/10.1088/0031-9155/56/2/N02
Datenträger:Online-Ressource
Sprache:eng
K10plus-PPN:1817384015
Verknüpfungen:→ Zeitschrift

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