Williams syndrome in twins.

  title={Williams syndrome in twins.},
  author={Mary Murphy and Frank Greenberg and Gregory Wilson and Marina L. Hughes and J H Diliberti},
  journal={American journal of medical genetics. Supplement},
Two sets of identical twins with Williams syndrome have been reported previously. We report on 2 additional sets of presumed identical twins with Williams syndrome. All 4 patients had the typical Williams syndrome facial appearance, growth deficiency, and developmental delay. None of the patients had supravalvular aortic stenoses; however, all were diagnosed as having probable distal pulmonary artery stenosis. In the set of twins in which serum calcium was measured, one twin had an elevated… CONTINUE READING