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Survey of Aorta and Coronary Arteries With Prospective ECG-Triggered 100-kV 64-MDCT Angiography

Chikako Fujioka1, Jun Horiguchi1, Masao Kiguchi1, Hideya Yamamoto2, Toshiro Kitagawa2 and Katsuhide Ito3

1 Department of Clinical Radiology, Hiroshima University Hospital, 1-2-3, Kasumi-cho, Minami-ku, Hiroshima, 734-8551, Japan.
2 Department of Molecular and Internal Medicine, Division of Clinical Medical Science, Programs for Applied Biomedicine, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan.
3 Department of Radiology, Division of Medical Intelligence and Informatics, Programs for Applied Biomedicine, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan.


Figure 1
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  		Fig. 1A —65-year-old man with aneurysm of abdominal aorta. Scout (A) and cross-sectional planimetric (B-L) images show aortic valve.

 

Figure 2
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  		Fig. 1B —65-year-old man with aneurysm of abdominal aorta. Scout (A) and cross-sectional planimetric (B-L) images show aortic valve.

 

Figure 3
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  		Fig. 1C —65-year-old man with aneurysm of abdominal aorta. Scout (A) and cross-sectional planimetric (B-L) images show aortic valve.

 

Figure 4
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  		Fig. 1D —65-year-old man with aneurysm of abdominal aorta. Scout (A) and cross-sectional planimetric (B-L) images show aortic valve.

 

Figure 5
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  		Fig. 1E —65-year-old man with aneurysm of abdominal aorta. Scout (A) and cross-sectional planimetric (B-L) images show aortic valve.

 

Figure 6
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  		Fig. 1F —65-year-old man with aneurysm of abdominal aorta. Scout (A) and cross-sectional planimetric (B-L) images show aortic valve.

 

Figure 7
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  		Fig. 1G —65-year-old man with aneurysm of abdominal aorta. Scout (A) and cross-sectional planimetric (B-L) images show aortic valve.

 

Figure 8
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  		Fig. 1H —65-year-old man with aneurysm of abdominal aorta. Scout (A) and cross-sectional planimetric (B-L) images show aortic valve.

 

Figure 9
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  		Fig. 1I —65-year-old man with aneurysm of abdominal aorta. Scout (A) and cross-sectional planimetric (B-L) images show aortic valve.

 

Figure 10
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  		Fig. 1J —65-year-old man with aneurysm of abdominal aorta. Scout (A) and cross-sectional planimetric (B-L) images show aortic valve.

 

Figure 11
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  		Fig. 1K —65-year-old man with aneurysm of abdominal aorta. Scout (A) and cross-sectional planimetric (B-L) images show aortic valve.

 

Figure 12
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  		Fig. 1L —65-year-old man with aneurysm of abdominal aorta. Scout (A) and cross-sectional planimetric (B-L) images show aortic valve.

 

Figure 13
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  		Fig. 2A —Motion artifacts in ascending aorta. 75-year-old man with aneurysm of abdominal aorta. Multiplanar reformation CT image of ascending aorta has image quality graded 1, good, no artifacts.

 

Figure 14
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  		Fig. 2B —Motion artifacts in ascending aorta. 57-year-old man with aneurysm of thoracoabdominal aorta. Multiplanar reformation CT image of ascending aorta has image quality graded 2, acceptable, stairstep artifact (arrow) but suitable for diagnosis.

 

Figure 15
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  		Fig. 3A —Motion artifacts in aortic valve. 65-year-old man with aneurysm of abdominal aorta. Multiplanar reformation CT image of aortic valve has image quality graded 1, good, no artifacts.

 

Figure 16
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  		Fig. 3B —Motion artifacts in aortic valve. 75-year-old man with aneurysm of abdominal aorta. Multiplanar reformation CT image of aortic valve has image quality graded 2, acceptable, artifacts but suitable for diagnosis.

 

Figure 17
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  		Fig. 3C —Motion artifacts in aortic valve. 59-year-old man with aneurysm of abdominal aorta. Multiplanar reformation CT image of aortic valve has image quality graded 3, inadequate, major artifacts impairing diagnosis.

 

Figure 18
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  		Fig. 4A —Motion artifacts in coronary arteries. 65-year-old man with aneurysm of abdominal aorta. Multiplanar reformation CT image of coronary arteries has image quality graded 1, good, no artifacts.

 

Figure 19
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  		Fig. 4B —Motion artifacts in coronary arteries. 57-year-old man with aneurysm of thoracoabdominal aorta. Multiplanar reformation CT image of coronary arteries has image quality graded 2, acceptable, minor blurring but suitable for diagnosis.

 

Figure 20
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  		Fig. 4C —Motion artifacts in coronary arteries. 72-year-old woman with aneurysm of abdominal aorta. Multiplanar reformation CT image of coronary arteries has image quality graded 3, inadequate, blurring artifacts impairing diagnosis.

 

Figure 21
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  		Fig. 4D —Motion artifacts in coronary arteries. 75-year-old man with aneurysm of abdominal aorta. Multiplanar reformation CT image of coronary arteries has image quality graded 3, inadequate, misregistration artifacts impairing diagnosis.

 

Figure 22
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  		Fig. 5A —Calcified plaque. 65-year-old man with aneurysm of abdominal aorta. Cross-sectional planimetric image shows calcified and noncalcified plaques at leaflets and commissure.

 

Figure 23
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  		Fig. 5B —Calcified plaque. 67-year-old man with aneurysm of ascending aorta. Endoscopic image shows bicuspid valve.

 

Figure 24
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  		Fig. 6A —Coronary artery lesions. 65-year-old man with with aneurysm of abdominal aorta. Transaxial image shows ≥ 50% luminal stenosis at left anterior descending coronary artery.

 

Figure 25
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  		Fig. 6B —Coronary artery lesions. 72-year-old man with aneurysm of descending aorta. Curved multiplanar reformation image shows calcified and noncalcified plaques (arrow) at proximal right coronary artery.

 

Figure 26
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  		Fig. 6C —Coronary artery lesions. 69-year-old woman with back pain (normal finding of aorta). Curved multiplanar reformation image shows myocardial bridge (arrow) at left anterior descending coronary artery.

 

Figure 27
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  		Fig. 6D —Coronary artery lesions. 82-year-old man with aneurysm of thoracoabdominal aorta. Volume-rendered image shows right coronary artery (arrow) arising from left coronary sinus.

 

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