PLSVC with absent RSVC (also known as isolated PLSVC) in visceroatrial situs solitus is a very rare venous malformation, occurring in 0.07 to 0.15%% of patients with pacemaker implantations and in 0.09 to 0.13%% of postmortem cases involving congenital heart disease [3 5].
In summary, prune belly syndrome, a rare congenital malformation, occurs in Papua New Guinea.
Port-wine stain is a common congenital vascular malformation occurring in up to 25% of infants [ 7– 10].
Esophageal atresia with/without tracheo-esophageal fistula is a relatively common malformation, occurring in around 1 in 3500 births.
Esophageal atresia with or without tracheo-esophageal fistula is a relatively common malformation, occurring in around 1 in 3500 births [50].
Both patients carrying functionally significant SMAD6 variants had bicuspid aortic valves, the commonest cardiovascular malformation, occurring in approximately 1% of the adult population.
Abnormal neuronal festooning of the neuronal layer beneath a smooth surface appears in some cases to be the primary malformation, occurring well before the onset of normal gyration.
In any case, the fact that the distribution of LSGs in BCs was similar to that observed in DNs further supports the hypothesis that the primary hit inducing the malformation occurs during the early stages of development.
© 2011 Wiley-Liss, Inc. Tracheo-esophageal fistula (TEF) with or without esophageal atresia (EA) is a relatively common malformation, occurring in approximately 1 in 3500 births (Torfs et al., 1995).
