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Fig. 2C —68-year-old man with acute myocardial infarction. This case
shows importance of comprehensive evaluation in cardiac CT. Short-axis image
during systole in arterial phase shows decreased perfusion over infralateral
wall (between arrows), involving posterior papillary muscle
(black arrowhead). In regions with normal systolic wall motion,
papillary muscle and compact myocardium are difficult to differentiate because
contrast medium between them is squeezed out (white arrowhead). But
in akinetic region (between arrows), it is still possible to identify
papillary muscle (black arrowhead).
