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Coronary CTA can be used to accurately predict the presence of obstructive disease in > 90% of small and moderate-sized calcified coronary artery plaques. With large calcified coronary artery plaques, CTA correctly predicts the presence of obstructive disease in approximately two thirds of the cases. When errors occur, they are usually due to overestimation of the degree of stenosis.
Zhang et al. (Wed,) studied this question.