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Tomography, Volume 9, Issue 1

February 2023 - 36 articles

Cover Story: The impacts of metal artifacts (MAs) on the contouring workload for head and neck radiotherapy have not yet been clarified. Therefore, we evaluated the relationship between the contouring time of the MA area and MAs on head and neck radiotherapy treatment planning. The contouring time of MAs showed moderate positive correlations with the MA volume and the number of CT images containing MAs. Interobserver reliability of the extracted MAs volume and contouring time were excellent and poor, respectively. From our results, it was suggested that the contouring time of MA areas is related to individual commitment rather than clinical experience. Therefore, the development of software combining metal artifact reduction methods with automatic contouring methods is necessary for reducing interobserver variability and contouring workload. View this paper
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Tomography - ISSN 2379-139X