Is A

Spina bifida

May Cause

Congenital posterior neural arch defect

May Be Caused by

 Common

Isolated anomaly

 Uncommon

Aarskog syndrome

Aicardi syndrome

Bardet-Biedl syndrome

Diastematomyelia

Distal arthrogryposis type 2A

Dorsal dermal sinus

Epidermoid cyst

Fanconi anemia

Filum terminate lipoma

Gorlin syndrome

Hallermann-Streiff syndrome

Intraspinal dermoid

Klinefelter syndrome

Klippel-Feil syndrome

LEOPARD syndrome

Lipomeningocele

Meningocele

Split notochord syndrome

Tethered cord syndrome

Wildervanck syndrome