出典: SCCT 2026、Reporting、d項「Image quality and findings」、表6、pp. 35・52 · “With no established standards for overall study quality, a visual schema such as excellent, good, average, fair, poor or non-diagnostic is recommended.”
出典: SCCT 2026、Reporting、d項「Image quality and findings」;狭窄の項、p. 15 · “Whenever coronary segments are not interpretable, the affected segments and the causative artifact should be stated.”
出典: SCCT 2026、Image quality, artifacts & pitfalls、c項「Motion artifacts」、pp. 25–26 · “Cardiac motion appears as vessel blurring, most commonly in the highly mobile vertical segment of the right coronary artery”
出典: SCCT 2026、Image quality, artifacts & pitfalls、c項「Motion artifacts」、p. 26 · “Transition (stairstep or misalignment) artifacts occur at slab interfaces from different cardiac cycles, typically due to irregular rhythm or incorrect rhythm gating”
出典: SCCT 2026、Image quality, artifacts & pitfalls、e項「Blooming artifact」、表5、pp. 27・51 · “Blooming artifact results from partial volume averaging within a voxel, causing blurring at interfaces between coronary arteries and calcified plaques or stents and leading to overestimation of luminal stenosis”
出典: SCCT 2026、Image quality, artifacts & pitfalls、d項「Beam hardening and metallic artifacts」、心筋の項、pp. 27・31 · “Beam-hardening artifacts arise from preferential attenuation of low-energy photons by metal, calcium, or dense contrast, producing low-attenuation areas or streaks adjacent to bright artifacts”
出典: SCCT 2026、Image quality, artifacts & pitfalls、a項「Excessive noise」、表4、pp. 25・50 · “Image noise from low photon counts appears as granular texture with random bright and dark streaks.”
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「他の文献」で引用した文献
Leipsic J, Abbara S, Achenbach S, Cury R, Earls JP, Mancini GBJ, et al. SCCT guidelines for the interpretation and reporting of coronary CT angiography: a report of the Society of Cardiovascular Computed Tomography Guidelines Committee. J Cardiovasc Comput Tomogr. 2014;8(5):342-58. doi:10.1016/j.jcct.2014.07.003
Cury RC, Abbara S, Achenbach S, et al. CAD-RADS: Coronary Artery Disease – Reporting and Data System. J Cardiovasc Comput Tomogr. 2016;10(4):269-81. doi:10.1016/j.jcct.2016.04.005
Nieman K, García-García HM, Hideo-Kajita A, et al. Standards for quantitative assessments by coronary computed tomography angiography (CCTA): an expert consensus document of the SCCT. J Cardiovasc Comput Tomogr. 2024;18(5):429-43. doi:10.1016/j.jcct.2024.05.232
Koweek L, Achenbach S, Berman DS, et al. Standardized medical terminology for cardiac computed tomography 2023 update: an expert consensus document of the Society of Cardiovascular Computed Tomography (SCCT), American Association of Physicists in Medicine (AAPM), American College of Radiology (ACR), North American Society for Cardiovascular Imaging (NASCI), and Radiological Society of North America (RSNA). Radiol Cardiothorac Imaging. 2023;5(4):e230167. doi:10.1148/ryct.230167
Abbara S, Blanke P, Maroules CD, et al. SCCT guidelines for the performance and acquisition of coronary computed tomographic angiography: a report of the Society of Cardiovascular Computed Tomography Guidelines Committee. Endorsed by the North American Society for Cardiovascular Imaging (NASCI). J Cardiovasc Comput Tomogr. 2016;10(6):435-49. doi:10.1016/j.jcct.2016.10.002