The reports from his doctors speak of him having hydrocephalus.
This team is investigating the ' signal molecule ' which produces the scarring around the brain thought to be responsible for causing hydrocephalus.
The condition of over- filled ventricles is called hydrocephalus.
Oliver was born prematurely and developed hydrocephalus, which is an abnormal amount of cerebrospinal fluid around the brain.
Surgery is sometimes needed to relieve the hydrocephalus or to drain an abscess.