disease has feature Hydrocephalus hydrocephalus A disorder characterized by an abnormal increase of cerebrospinal fluid in the ventricles of the brain. COHD:4043738 DOID:10908 ICD10:G91 ICD10:G91.9 MESH:D006849 MONDO:0001150 NCIT:C3111 SCTID:230745008 hydrocephalus, X-linked hydrocephalus, nonsyndromic, autosomal recessive neurodegenerative disease brain disease