Different people are affected very differently by this disease. The main manifestation is fluid-filled cysts that grow on the brain and can cause damage that varies depending on their location and severity. Symptoms may manifest early in infancy, or may manifest as late as adulthood. Symptoms associated with<unk>  include migraines, hemiplegia or hemiparesis, seizures, cognitive impairment, strokes, dystonia, speech disorders, involuntary muscle spasms, visual field defects, and hydrocephalus.
Autosomal dominant porencephaly type I
Schizencephaly
XK aprosencephaly
Holoprosencephaly
Hemimegalencephaly
Megalencephaly
Hydranencephaly
Microhydranencephaly