ArticleJournal of medical physics
Influence of Field of View and Bowtie Filtration on Cone Beam Computed Tomography Image Quality and Scatter-to-Primary Ratio.
Article in Journal of medical physics. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
3 authors.
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Abstract
Purpose/Aim: The image quality (IQ) of cone-beam computed tomography (CBCT) is often reduced due to X-ray scatter, causing issues such as shading, skin-line artifacts, decreased contrast-to-noise ratio, and inaccurate computed tomography (CT) numbers. This study establishes six metrics for assessing IQ, focusing on both traditional metrics, such as contrast-to-noise ratio, and clinically relevant measures of CT signal accuracy. Using a commercial CBCT system for image-guided radiation therapy (IGRT), the study examines how these metrics vary with axial field-of-view (FOV Materials and Methods: Catphan-600 phantom was scanned at five longitudinal FOV Results: All six metrics demonstrated a notable decline in IQ as the FOV Conclusions: As the FOV
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Registered trials
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