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Original Article

The role of ultrasonography in the diagnosis of fetal isolated complete agenesis of the corpus callosum: a long-term prospective study

, , , , , , , , & show all
Pages 1504-1509 | Received 29 Sep 2009, Accepted 02 Feb 2010, Published online: 16 Mar 2010
 

Abstract

Objective. To evaluate the role of a dedicated neurosonographer in prenatal diagnosis of isolated complete agenesis of the corpus callosum (iCACC) and to asses the postnatal outcome of these infants.

Methods. Prospective study between January 2004 to December 2004 at Fetal Maternal Medical Centre ‘Artemisia’, Rome, Italy. A detailed ultrasound scan was performed in fetuses affected by iCACC by a dedicated fetal neurosonographer (CG). In all cases, magnetic resonance imaging (MRI) within 5 weeks and 13–15 months after birth was performed. A comparison was made between prenatal findings following the ultrasound scan and postnatal MRI. In these cases, a follow-up of 4-years was performed with a neurological evaluation.

Results. Among 23 cases of ACC diagnosed at our centre in the study period, CACC was diagnosed in 17 fetuses. Two were then excluded due to associated malformations, one was lost at follow-up and one patient opted to terminate her pregnancy. Newborn MRI confirmed the ultrasonographic diagnosis of iCACC in all 13 cases. A regular development was present in 92.3% of prenatally diagnosed iCACC.

Conclusion. A dedicated neurosonographer could diagnose the iCACC with the same accuracy as MRI and in up to 90% of cases the newborn will have a regular development.

Acknowledgements

The authors thank Mr. Michael Kenyon for his assistance in the language revision of the manuscript. The study was approved by the Institutional Review Board (IRB) and followed Italian regulations with protocol PRSV-03-00017 obtained on 12 September 2003.

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