Lin A E, Garver K L
Department of Medical Genetics, West Penn Hospital, Pittsburgh, Pennsylvania 15224.
Am J Med Genet. 1988 Mar;29(3):529-31. doi: 10.1002/ajmg.1320290309.
We report on monozygotic twins with Turner syndrome (45,X) with discordant phenotypes. One twin had severe neck webbing and extremity edema and died of severe coarctation of the aorta. The other twin had fewer craniofacial anomalies and no congenital heart defect, suggesting a pathogenetic relationship between cardiac abnormality and phenotype severity.