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European Radiology Experimental
Fig. 7 | European Radiology Experimental

Fig. 7

From: Myocardial tissue characterization by combining late gadolinium enhancement imaging and percent edema mapping: a novel T2 map-based MRI method in canine myocardial infarction

Fig. 7

Corresponding short-axis MRI slices of LV are shown at 8 weeks after the induced reperfused MI in a dog. In the LGE image, hyper-enhancement is apparent in chronic scar (a, white arrows). PEM highlights mature scar as “negative edema” due to decreased water content (b). Water content varies depending on the maturity of the scar, as depicted by the gradually changing hue of the purple end of the colour scale. Virtually the entire MI (as detected by LGE) is identified by TCM as chronic scar without significant ME surrounding the infarcted region (c). Thus, certainly on TCM, this infarct cannot be mistaken for an acute MI. Corresponding TTC-stained photo shows mature collagenous scar without hemorrhage (d)

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