A 7-year-old girl with a lymphovascular malformation of the face was referred to a cardiologist because of a history of congestive heart failure at the age of 2-3 years with an uncertain diagnosis. She had no symptoms or current medications. On physical examination, her body temperature was normal with a heart rate of 118 beats/minute, blood pressure of 122/60 mmHg, respiratory rate of 20/minute and oxygen saturation of 95%. No cardiac murmurs were heard. Cardiac magnetic resonance (CMR) imaging was performed due to a large anechoic lesion with echogenic tissue at the left ventricular apex on echocardiography (Figure 1, Movie 1). CMR revealed the spongy appearance of the myocardium along the lateral wall of the left ventricle (Figure 2, Movie 2) associated with ventricular aneurysms (Figure 3, Movie 3). Myocardial delayed enhancement revealed scars along the wall of the aneurysm with a mural thrombus (Figure 4). A diagnosis of left ventricular non-compaction (LVNC) with ventricular aneurysms was reached.
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