PMC6507107_01
(A, B, and C) Multislice computed tomography volume-rendered reformatted images showing a single coronary artery (yellow arrow, A and B) arising from the single ostium from the right sinus of Valsalva (green asterisk, B) and dividing into the RCA (white arrow, A and B), LAD artery (blue arrow) and LCX (red arrow, A-C). The LAD artery turns anteriorly (blue arrows, C) in front of the right ventricular outflow tract (black asterisk, C) and LCX (red arrow, C) showing a retro-aortic course (red asterisk, C).Abbreviations: LAD, left anterior descending; LCX, left circumflex artery; RCA, right coronary artery.
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Figure 1(A-C) shows the multislice CT volume-rendered reformatted images. The SCA (Figure 1A, B) arises from the single ostium from the RSOV (Figure 1B) and divides into the RCA (Figure 1A, B), LAD artery, and LCX (Figure 1A-C). The LAD artery turns anteriorly in front of the right ventricular outflow tract (Figure 1C), and the LCX shows a retro-aortic course (Figure 1C).
(A) Cross-sectional axial view showing the pre-pulmonic course of the anomalous left coronary artery (blue arrows), pulmonary artery (purple asterisk), and aorta (red asterisk). (B) Cross-sectional axial oblique view showing retro-aortic course of the left circumflex artery (red arrows), aortic sinuses (green asterisks), and left ventricle (black asterisk).
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Figure 2A. Figure 2(B) shows the cross-sectional axial oblique view of the retro-aortic course of the LCX, aortic sinuses, and left ventricle.
(A and B) Cross-sectional axial oblique view showing a single coronary ostium (yellow arrow) arising from the right sinus of Valsalva (green asterisk) and trifurcated into the normally coursed dominant right coronary artery (white arrow), anomalous pre-pulmonic left anterior descending artery (blue arrow), retro-aortic left circumflex artery (red arrows), and left ventricle (black asterisk).
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Cross-sectional axial oblique views showing a single coronary ostium arising from the RSOV and trifurcated into the normally coursed dominant RCA, anomalous pre-pulmonic LAD artery, retro-aortic LCX, and left ventricle are presented in Figure 3(A, B).
(A, B, and C) Cross-sectional longitudinal oblique views showing a single coronary ostium (yellow arrow, A) arising from the right sinus of Valsalva (green asterisk) and the pre-pulmonic course of the anomalous left coronary artery (blue arrow, A-C), left ventricle (black asterisk, A and B), aorta (red asterisk, A-C), and right ventricle (white asterisk, A and B), the left atrium (purple asterisk, A and B) and right ventricle (white asterisk, A and B), and the retro-aortic left circumflex artery (red arrow, C) and dominant right coronary artery (white arrow, C).
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Cross-sectional longitudinal oblique views in Figure 4(A-C) show a single coronary ostium (Figure 4A) arising from the RSOV and the pre-pulmonic course of the anomalous left coronary artery (Figure 4A-C), left ventricle (Figure 4A, B), aorta (Figure 4A-C), and right ventricle (Figure 4A, B); the left atrium (Figure 4A, B), retro-aortic LCX (Figure 4C), and dominant RCA (Figure 4C) are also clear.