Hydranencephaly is a rare condition in which the brain's cerebral hemispheres are absent and replaced by sacs filled with cerebrospinal fluid. An infant with hydranencephaly may appear normal at birth. The infant's head size and spontaneous reflexes such as sucking, swallowing, crying, and moving the arms and legs may all seem normal. However, after a few ...

Hydranencephaly information sheet compiled by the National Institute of Neurological Disorders and Stroke (NINDS).

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

Hope and support for families of children with Hydranencephaly, information for caregivers of children with special needs.