<prompt> Progression of congenital scoliosis is least likely in which of the following vertebral anomalies -Fully segmented HemivertebraWedge vertebraBlock vertebraUnilateral unsegmented bar with Hemivertebra  <response>: Congenital vertebral anomalies causing scoliosis are :HemivertebraeWedge vertebraUnsegmented barBlock vertebraCombination : unsegmented bar with hemivertebraeAmongst these minimum chances of progression are with block vertebrae and maximum with the combination of unsegmented bar hemivertebrae.Unsegmented bar - with hemivertebra unsegmented bar hemivertebra wedge vertebra block vertebra 