The prognosis of agenesis of the corpus callosum might mostly be favourable.

The post-natal development of 6 patients with complete agenesis of the corpus callosum was assessed. The diagnosis of agenesis of the corpus callosum had been suspected prenatally in 3 cases. In the remaining 3 cases diagnostic neuro-imaging was performed because of partial seizures (n = 2) and pendular nystagmus (n = 1). The neurological examination was normal in all patients with the exception of nystagmus in one. The neuro-developmental outcome was found to be normal in all 6 patients. In conclusion, these data suggest that good outcome is predominant in agenesis of the corpus callosum.