Progress in Medical Physics

Fig. 4.

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Fig. 4. The multipurpose phantom was designed to allow computed tomography (CT) scans. (a) Sagittal CT image without pressing cover: moving couch-induced slopping of water during helical CT scan causes beat phenomenon in CT image. (b) Sagittal CT image water-pressing cover: water-pressing cover prevents the water from slopping during helical CT scan.
Progress in Medical Physics 2021;32:122-9 https://doi.org/10.14316/pmp.2021.32.4.122
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