Effects of failed commissuration on the septum pellucidum and fornix: implications for fetal imaging

Neuroradiology. 2009 May;51(5):347-56. doi: 10.1007/s00234-009-0507-x. Epub 2009 Mar 10.


In the previous article, we considered the normal appearances of the midline stuctures of the brain as they appear on high-resolution magnetic resonance imaging. In this article, we discuss the effects of failed commissuration on the midline structures. We highlight some of the misconceptions of this process that may lead to misdiagnosis of agenesis of the corpus callosum in utero.

MeSH terms

  • Agenesis of Corpus Callosum*
  • Child
  • Corpus Callosum / pathology*
  • Fornix, Brain / abnormalities*
  • Fornix, Brain / pathology*
  • Humans
  • Magnetic Resonance Imaging / methods*
  • Reference Values
  • Septum Pellucidum / abnormalities*
  • Septum Pellucidum / pathology*