Agenesis of the septum pellucidum

Return to Ultrasound Atlas

With agenesis of the septum pellucidum there is a central communication between the cavities of the frontal horns

Reference(s):Pilu G, Tani G, Carletti A, Malaigia S, Ghi T, Rizzo N. Difficult early sonographic diagnosis of absence of the fetal septum pellucidum. Ultrasound Obstet Gynecol 2005;25(1):70–2. PubMed PMID: 15619322. Malinger G, Lev D, Kidron D, Heredia F, Hershkovitz R, Lerman-Sagie T. Differential diagnosis in fetuses with absent septum pellucidum. Ultrasound Obstet Gynecol 2005;25(1):42–9. PubMed PMID: 15593321. Lepinard C, Coutant R, Boussion F, Loisel D, Delorme B, Biquard F, Bonneau D, Guichet A, Descamps P. Prenatal diagnosis of absence of the septum pellucidum associated with septo-optic dysplasia. Ultrasound Obstet Gynecol 2005;25(1):73–5. PubMed PMID: 15593257. Falco P, Gabrielli S, Visentin A, Perolo A, Pilu G, Bovicelli L. Transabdominal sonography of the cavum septum pellucidum in normal fetuses in the second and third trimesters of pregnancy. Ultrasound Obstet Gynecol 2000;16(6):549–53. PubMed PMID: 11169349.