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Double orifice mitral valve combined with left ventricular noncompaction in a child with Sotos syndrome.

ABSTRACT: Sotos syndrome is an autosomal dominant condition, sometimes complicated with cardiovascular malformations. We report the case of a 10-year-old Japanese male with Sotos syndrome found to have double orifice mitral valve (DOMV) combined with left ventricular noncompaction (LVNC) by transthoracic echocardiography. Three-dimensional echocardiography clearly demonstrated the trabecular meshwork, two separate mitral orifices with subvalvular apparatuses, and multiple tendinous cords. To the best of our knowledge, this is the first case of Sotos syndrome associated with DOMV and LVNC. Considering that mitral valve leaflets, chordae, papillary muscles, and primitive trabeculations of the left ventricle originate from the endomyocardial cushions in the developing heart, both cardiac defects in the present case might be explained by a common developmental aberrancy of endomyocardium. Patients with Sotos syndrome should be screened for mitral valve anomaly, subvalvular apparatuses, and left ventricular myocardial function as well as structural abnormalities. .

SUBMITTER: Nakamura A

PROVIDER: S-EPMC6279981 | biostudies-literature |

REPOSITORIES: biostudies-literature

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