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Fig. 2I —53-year-old man with acute coronary syndrome. Invasive
coronary angiography showed culprit lesion (> 75% stenosis) in left
anterior descending coronary artery territory (not shown), which was stented.
Nonculprit coronary lesion was identified in proximal segment of right
coronary artery (RCA). Coronary artery software area analysis of MDCT images
for proximal (I), nonculprit lesion (J), and distal reference
(K) segments shows 40% stenosis. Note software was unable to exclude
some mixed plaque (arrow, J) from analysis despite manual
window adjustments, resulting in some falsely high luminal measurements.
