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Fig. 2A. —Three-dimensional electron beam CT scans of coronary artery. Ao = aorta, RVOT = right ventricular outflow tract, LAD = left anterior descending coronary artery, RCX = right coronary artery. Surface rendering shows loss of detail, especially close to left main artery, in proximal part of left anterior descending artery, and in proximal part of intermediate branch (arrows). Area with loss of detail in left anterior descending artery was falsely rated as stenotic region. Right ventricular outflow track was hollowed out in surface rendering because of thresholding, thus showing visualization of only small part of data.

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