Overview of the rare condition in which the brain's cerebral hemispheres are absent and replaced by sacs filled with cerebrospinal fluid.

Brief description of condition and prognosis. Resources and online information provided.

Information about hydranencephaly and related conditions. Personal stories of children and families. Equipment, hospice, and medical directory available.

Information sheet compiled by NINDS, the National Institute of Neurological Disorders and Stroke.

Support group list for parents, families and caregivers of children with the disorder.

Medical research presentations of five case studies. Diagrams and ultrasound photographs included.