A rare form of spina bifida/open neural tube defect (NTD) chacterized by absence of a cystic component dysplastic meninges and neural placode exposed through a defect in the posterior vertebral arches (spina bifida) that are contiguous with surrounding skin. The placode is at or below the skin plane and is typically associated with a Chiari II malformation. It is usually isolated or rarely associated with split cord malformation.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version April 2026
Newly diagnosed with
Myeloschisis?
Our RARE Concierge Services Guides are available to assist you by providing information, resources and connections as you navigate your rare disease journey.
Advocacy Organizations
Illinois Spina Bifida Association
The Illinois Spina Bifida Association works to improve the quality of life of children, adults, and families living with spina bifida.
Don't see your organization here. Let us know here.
Clinical Trials
For a list of clinical trials in this disease area, please click here.
