Reliable High-Speed Coronary Computed Tomography in Symptomatic Patients
Annick C. Weustink, MD*, ,
Willem B. Meijboom, MD*,,
Nico R. Mollet, MD, PhD*,,
Masato Otsuka, MD*,
Fransesca Pugliese, MD*,,
Carlos van Mieghem, MD*,,
Roberto Malago, MD,
Niels van Pelt, MD*,,
Marcel L. Dijkshoorn, BSc,
Filippo Cademartiri, MD, PhD*,,
Gabriel P. Krestin, MD, PhD and
Pim J. de Feyter, MD, PhD*,,*
* Department of Cardiology, Thoraxcenter, Rotterdam, the Netherlands
Department of Radiology, Erasmus Medical Center, Rotterdam, the Netherlands
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Figure 1 A Significant Lesion in the LAD
Volume-rendered dual source computed tomography scanner image (colored image) and corresponding conventional angiography image of the right coronary artery (RCA), left anterior descending artery (LAD), circumflex artery (CX), intermediate branch (IM), diagonal branches (D1, D2) in a 57-year-old man with stable angina and an equivocal bicycle test. Mean heart rate during scanning was 78 beats/min. A significant lesion was found in the midpart of the LAD (arrow) with detailed color inlay, curved multiplanar reconstruction (bottom left), and maximum intensity projections image (bottom right). The proximal part of the CX showed an occlusion (arrowhead).
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Figure 2 A High-Grade Stenosis in the Midpart of the RCA
Conventional angiography image and corresponding volume-rendered dual source computed tomography scanner image (colored image) in a 68-year-old man presenting with unstable coronary artery disease. Mean heart rate during scanning was 66 beats/min. The arrow indicates a high-grade stenosis in the midpart of the right coronary artery (RCA). The arrowheads in the curved multiplanar reconstruction image (bottom) indicate cross sections proximal, within, and distal from the occlusion.
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