Localization accuracy of two electromagnetic tracking systems in prostate cancer radiotherapy: A comparison with fiducial marker based kilovoltage imaging

•RayPilot transmitters may migrate within the prostate between treatment fractions.•Localization accuracy of the RayPilot suffers from instability of the transmitters.•Localization accuracy of Calypso is comparable to kV imaging of fiducials. The aim of this study was to evaluate the localization ac...

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Veröffentlicht in:	Physica medica 2018-12, Vol.56, p.10-18
Hauptverfasser:	Vanhanen, A., Syrén, H., Kapanen, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Calypso Electromagnetic Phenomena Fiducial Markers Gold Compounds Humans Interfraction motion Intrafraction motion kV-imaging Male Motion Prostate Prostate - diagnostic imaging Prostatic Neoplasms - diagnostic imaging Prostatic Neoplasms - radiotherapy Radiotherapy Radiotherapy Planning, Computer-Assisted - instrumentation Radiotherapy Planning, Computer-Assisted - methods Radiotherapy, Image-Guided - instrumentation Radiotherapy, Image-Guided - methods RayPilot Retrospective Studies
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