Agenesis of the corpus callosum: real-time ultrasonographic diagnosis and autopsy findings.

Ultrasonographic appearances of agenesis of corpus callosum and its associated abnormalities are described in four cases. Clinical data, ultrasonographic diagnostic criteria, and correlation with neuropathological findings are presented. Ultrasound is the method of first choice in the neonatal period for the detection of cerebral malformations and more particularly of agenesis of corpus callosum.