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Fig. 1D —23-year-old woman referred to MRI with suspicion of
transposition of great arteries because of prominent trabeculation of
subaortic ventricle in echocardiography. Time-resolved coronal
maximum-intensity-projection angiograms (A-C) and cine short-axis view
(D). The angiograms show normal time course of enhancement of
subpulmonary atrium and ventricle and pulmonary arteries (A); and
enhancement of pulmonary veins, subaortic atrium, ventricle, and aorta
(B). Note decreasing enhancement of subpulmonary ventricle from
A to C, indicating absence of relevant left-to-right shunt flow.
This patient suffered from noncompaction myocardium, which is visualized on
time-resolved MR angiography (C) (arrow) and is shown on cine
short-axis view (D) (arrows). See also Figure S1, cine loop,
in supplemental data online
(www.ajronline.org).
