Typical findings of a chiari II malformation.
Most spina bifida are linked to folate B9 vitamin deficiency. However ruling out a syndromic condition is of paramount importance for the next pregnancy and genetic counseling. Some spina bifida are part of a spine dysostosis, or larger defects of the caudal pole, or a ciliopathy such as the classical Meckel Gruber syndrome.

Dr S. De Gery and Dr T.Abossolo also significantly contributed to this case.