Print friendly version
Other Names for this Disease
cerebrospinal fluid (CSF). Affected infants may appear and act normal at birth, but irritability and hypertonia often develop within a few weeks. Other signs and symptoms may include seizures, hydrocephalus, visual impairment, lack of growth, deafness, blindness, paralysis, and intellectual disabilities. Prognosis is typically poor with many affected children dying before one year of age. In rare cases, children may survive for several years or more. It has been suspected to be an inherited condition, although some researchers believe it may be caused by prenatal blockage of the carotid artery where it enters the cranium. Treatment is generally symptomatic and supportive; hydrocephalus may be treated with a shunt.Hydranencephaly is a rare condition in which the brain's cerebral hemispheres are absent and replaced by sacs filled with
Last updated: 4/11/2012
- NINDS Hydranencephaly Information Page. NINDS. February 13, 2007; http://www.ninds.nih.gov/disorders/hydranencephaly/hydranencephaly.htm. Accessed 4/11/2012.
- Hydranencephaly. NORD. August 7, 2007; http://www.rarediseases.org/rare-disease-information/rare-diseases/byID/369/viewAbstract. Accessed 4/11/2012.
- The National Institute of Neurological Disorders and Stroke (NINDS) collects and disseminates research information related to neurological disorders. Click on the link to view information on this topic.
- The National Organization for Rare Disorders (NORD) is a federation of more than 130 nonprofit voluntary health organizations serving people with rare disorders. Click on the link to view information on this topic.
- Global Hydranencephaly Foundation has an informational website for this condition.
In Depth Information
- Medscape Reference provides information on this topic. Click on the link to view this information. You may need to register to view the medical textbook, but registration is free.
- Orphanet is a European reference portal for information on rare diseases and orphan drugs. Access to this database is free of charge.
- PubMed is a searchable database of medical literature and lists journal articles that discuss Hydranencephaly. Click on the link to view a sample search on this topic.
- The Social Security Administration has included this condition in their Compassionate Allowances Initiative. This initiative speeds up the processing of disability claims for applicants with certain medical conditions that cause severe disability. More information about Compassionate Allowances and applying for Social Security disability is available online.