2007-09-04-09 Agenesis of the corpus callosum © Cuillier www.thefetus.net/
Agenesis of the corpus callosum
Fabrice Cuillier, MD*; P. Lemaire, MD**; M. Deshayes, MD**.
* Department of Gynecology, Felix Guyon Hospital, 97400 Saint- Denis, Ile de la Reunion, France; tel: 0262 90 55 22; fax : 0262 90 77 30;
** Sonographer, Mouia"s street, 97400 Saint-Denis, Ile de la Réunion, France.
This is a case of the isolated corpus callosum agenesis. The mother (G4P3) was from a nonconsanguineous couple with noncontributive anamnesis. Her first trimester ultrasound and triple test were normal. The karyotype was normal (46XX). The diagnosis was confirmed by MRI.
The neonate was delivered at 35 weeks and its clinical neurological examinmation was normal.
Images 1, 2: 31st week of pregnancy. Transverse and parasagittal images showing dilated lateral cerebral ventricles.
Images 3, 4: 31st week of pregnancy. Sagittal images of the fetal skull - corpus callosum was not visualized.
Images 4, 5: MRI images showing dilated lateral ventricles and agenesis of the corpus callosum.