[Noncompacted cardiomyopathy of the left ventricule].

In response to a recent review on the role of MRI in the evaluation of cardiomyopathies, we wished, through a clinical example, to focus the attention on noncompacted cardiomyopathy of the left ventricule, an under-diagnosed entity at the border of pediatric and adult imaging, because of its congenital nature but of late presentation.