Three-dimensional ultrasonographic demonstration of agenesis of the 12th rib in a fetus with trisomy 21

Uhl’s anomaly is only one of many causes of rightventricular dilatation, including Ebstein’s disease, partialanomalous venous return, absence of the pericardium,pulmonary atresia, and aortic coarctation or aorticinterruption.A correct prenatal diagnosis can be useful for selectingpatients who need more attention, especially in thefirst months of postnatal life, to improve ventricularfunction, reduce complications and increase the chancesof survival.D. Cardaropoli*†, M. G. Russo†, D. Paladini‡,C. Pisacane†, S. Caputo†, P. Giliberti§ and R. Calabro†`†