Table 1.

Summary of the cohort of 4 cases of absent septum pellucidum

Case	Gestational age at diagnosis (WG)	Cerebral abnormalities associated detected at US examination	Other morphologic abnormalities detected at US examination	Karyotype, CGH array	MRI at 32 weeks	Gestational age at delivery (WG)	Neurological evaluation at birth	Endocrine evaluation	Final diagnosis
1	22	No	No	Not performed	Hypointense pituitary gland	37 + 4	Dysexecutive syndrome	GH and TSH deficiency	Septo‐optic dysplasia
2	22 + 5	No	Esophageal atresia, SUA	Normal	Normal	40 + 2	Normal	Normal	ASP and esophageal atresia
3	32	No	No	Normal	Normal	39	Normal	Normal	Isolated ASP
4	27 + 5	Thin CC	No	Normal	CC dysgenesis, perisylvian microgyria	38	Left monoparesis, language delay	Normal	ASP and opercular dysplasia

Abbreviation: ASP, The absence of septum pellucidum.