Williams-Beuren Syndrome with Mirror Movements

Abstract

To the Editor: Williams-Beuren Syndrome (WBS) is a rare neurodevelopmental disorder caused by deletion of chromosome 7 at q11.23. It is characterized by distinctive facies, congenital cardiovascular malformations, intellectual disabilities, and various other manifestations [1, 2]. Here, we present a child with WBS who presented with abnormal involuntary hand movements...