Performance assessment of the BEBIG MultiSource high dose rate brachytherapy treatment unit

Physics in Medicine and Biology
Antony Palmer, Bongile Mzenda

Abstract

A comprehensive system characterisation was performed of the Eckert & Ziegler BEBIG GmbH MultiSource High Dose Rate (HDR) brachytherapy treatment unit with an (192)Ir source. The unit is relatively new to the UK market, with the first installation in the country having been made in the summer of 2009. A detailed commissioning programme was devised and is reported including checks of the fundamental parameters of source positioning, dwell timing, transit doses and absolute dosimetry of the source. Well chamber measurements, autoradiography and video camera analysis techniques were all employed. The absolute dosimetry was verified by the National Physical Laboratory, UK, and compared to a measurement based on a calibration from PTB, Germany, and the supplied source certificate, as well as an independent assessment by a visiting UK centre. The use of the 'Krieger' dosimetry phantom has also been evaluated. Users of the BEBIG HDR system should take care to avoid any significant bend in the transfer tube, as this will lead to positioning errors of the source, of up to 1.0 mm for slight bends, 2.0 mm for moderate bends and 5.0 mm for extreme curvature (depending on applicators and transfer tube used) for the situations reported in th...Continue Reading

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Citations

Dec 5, 2013·Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology·Christian KirisitsFrank-André Siebert
May 6, 2016·Indian Journal of Cancer·D S NikamR Vinothraj
Jan 8, 2015·Medical Physics·Gabriel P FonsecaFrank Verhaegen
Aug 28, 2019·Australasian Physical & Engineering Sciences in Medicine·Abolfazl KananiMohammad Amin Mosleh-Shirazi
Mar 15, 2014·Physics in Medicine and Biology·G P FonsecaF Verhaegen

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