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Iterative metal artifact reduction improves dose calculation accuracy

Maerz, Manuel ; Mittermair, Pia ; Krauss, Andreas ; Koelbl, Oliver ; Dobler, Barbara


Purpose Metallic dental implants cause severe streaking artifacts in computed tomography (CT) data, which affect the accuracy of dose calculations in radiation therapy. The aim of this study was to investigate the benefit of the metal artifact reduction algorithm iterative metal artifact reduction (iMAR) in terms of correct representation of Hounsfield units (HU) and dose calculation accuracy. ...


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