出典: SCCT 2024(プラーク定量)、4節・表2;SCCT 2026、冠動脈の読影(動脈硬化性プラーク、狭窄、読影の落とし穴)、pp. 2・4・5–7・15–18;CAD-RADS 2.0、3.3.6節・表4注b;Karlo 2012、評価と偽陽性の項 · “presence of tissue structures ≥1 mm² within or adjacent to the coronary artery lumen”
出典: SCCT 2026、動脈硬化性プラークの項、p. 5 · “(largely) calcified plaque: attenuation values of most of the plaque exceed the values of the contrast-enhanced blood”
出典: SCCT 2026、動脈硬化性プラークの項、p. 5 · “partially calcified: with both calcified and non-calcified components (Fig 6). A partially calcified plaque can be specified as predominantly calcified with ≥ 75 % of the plaque component calcified”
出典: CAD-RADS 2.0、3.3.4節、図15 · “If a coronary plaque clearly demonstrates two or more high-risk features by CCTA, the modifier “HRP” (high risk plaque) should be added”
出典: CAD-RADS 2.0、図15;SCCT 2026、p. 5 · “Positive remodeling, defined as the ratio of outer vessel diameter at the site of plaque divided by the average outer diameter of the proximal and distal vessel greater than 1.1”
出典: SCCT 2026、本文および表3、pp. 7・9;CAD-RADS 2.0、3.2.1節 · “CAD-RADS 2.0 introduces the P1 to P4 descriptors which are used to denote increasing categories of plaque burden (P1=mild, P2=moderate, P3=severe and P4=extensive)”
出典: Neves PO, et al. Radiol Bras 2017(総説)、「Agatston method」の項 · “The Agatston method uses the weighted sum of lesions with a density above 130 HU, multiplying the area of calcium by a factor related to maximum plaque attenuation”
Rajiah PS, Alkadhi H, Andreini D, Bullock-Palmer RP, Chinnaiyan K, Chow B, et al. Interpretation and reporting of coronary computed tomographic angiography (2026 update): an expert consensus document of the Society of Cardiovascular Computed Tomography (SCCT). J Cardiovasc Comput Tomogr. 2026. doi:10.1016/j.jcct.2026.08.014 最終版(version of record)は2026年9月にCC BY 4.0でオンライン公開されたが、まだ巻号は割り当てられていない。引用ページはこの公開版PDFに基づく。
Cury RC, Leipsic J, Abbara S, Achenbach S, Berman D, Bittencourt M, et al. CAD-RADS 2.0 - 2022 Coronary Artery Disease-Reporting and Data System: an expert consensus document of the SCCT, ACC, ACR and NASCI. J Cardiovasc Comput Tomogr. 2022;16(6):536-57. doi:10.1016/j.jcct.2022.07.002
Koweek L, Achenbach S, Berman DS, Carr JJ, Cury RC, Ghoshhajra B, et al. Standardized medical terminology for cardiac computed tomography 2023 update: an expert consensus document of the SCCT, AAPM, ACR, NASCI and RSNA. J Cardiovasc Comput Tomogr. 2023;17(5):345-54. doi:10.1016/j.jcct.2023.06.002
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Neves PO, Andrade J, Monção H. Coronary artery calcium score: current status. Radiol Bras. 2017;50(3):182-9.
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Kovacevic M, Burzotta F, Elharty S, Besis G, Aurigemma C, Romagnoli E, et al. Left main trifurcation and its percutaneous treatment: what is known so far? Circ Cardiovasc Interv. 2021;14(3):e009872. doi:10.1161/CIRCINTERVENTIONS.120.009872
Kim C, Park CH, Lee BY, et al. 2024 consensus statement on coronary stenosis and plaque evaluation in CT angiography from the Asian Society of Cardiovascular Imaging-Practical Tutorial (ASCI-PT). Korean J Radiol. 2024;25(4):331-42. doi:10.3348/kjr.2024.0112
「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
Williams MC, Moss AJ, Dweck M, et al. Coronary artery plaque characteristics associated with adverse outcomes in the SCOT-HEART study. J Am Coll Cardiol. 2019;73(3):291-301. doi:10.1016/j.jacc.2018.10.066
van Rosendael SE, Shiyovich A, Cardoso RN, Souza Freire CV, van Rosendael AR, Lin FY, et al. The role of cardiac computed tomography angiography in risk stratification for coronary artery disease. J Soc Cardiovasc Angiogr Interv. 2024;3(11):102230. doi:10.1016/j.jscai.2024.102230
Yang S, Lee JM, Hoshino M, Murai T, Choi KH, Hwang D, et al. Prognostic implications of comprehensive whole vessel plaque quantification using coronary computed tomography angiography. JACC Asia. 2021;1(1):37-48. doi:10.1016/j.jacasi.2021.05.003
Pozo E, Agudo-Quilez P, Rojas-González A, Alvarado T, Olivera MJ, Jiménez-Borreguero LJ, et al. Noninvasive diagnosis of vulnerable coronary plaque. World J Cardiol. 2016;8(9):520-33. doi:10.4330/wjc.v8.i9.520
Bittencourt MS, Hulten E, Ghoshhajra B, et al. Prognostic value of nonobstructive and obstructive coronary artery disease detected by coronary computed tomography angiography to identify cardiovascular events. Circ Cardiovasc Imaging. 2014;7(2):282-91. doi:10.1161/CIRCIMAGING.113.001047
Hecht HS, Blaha MJ, Kazerooni EA, et al. CAC-DRS: Coronary Artery Calcium Data and Reporting System. An expert consensus document of the Society of Cardiovascular Computed Tomography (SCCT). J Cardiovasc Comput Tomogr. 2018;12(3):185-91. doi:10.1016/j.jcct.2018.03.008
Obisesan OH, Osei AD, Uddin SMI, Dzaye O, Blaha MJ. An update on coronary artery calcium interpretation at chest and cardiac CT. Radiol Cardiothorac Imaging. 2021;3(1):e200484. doi:10.1148/ryct.2021200484
本用語集は、SCCT 2026コンセンサスの定義、表および図を日本語に翻訳し、改変したものである。出典:Rajiah PS, et al. Interpretation and reporting of coronary computed tomographic angiography (2026 update): an expert consensus document of the Society of Cardiovascular Computed Tomography (SCCT). J Cardiovasc Comput Tomogr. 2026. doi:10.1016/j.jcct.2026.08.014(CC BY 4.0ライセンスで公開)。変更点は、平易な表現への書き換えと表の再構成である。本用語集の図はマップの動的な模式図であり、ガイドラインの図をそのまま再現したものではない。本用語集はSCCTの審査・承認を受けたものではない。 CC BY 4.0