Description : Portenoy et al. (1984) described normal-pressure hydrocephalus in a 67-year-old man
and his 74-year-old sister. Both had the classic triad of gait disturbance followed
by mild dementia with psychomotor retardation and urinary or fecal incontinence. The
authors knew of no other familial cases. *FIELD* RF 1. Portenoy, R. K.; Berger, A.;
Gross, E.: Familial occurrence of idiopathic normal-pressure hydrocephalus. Ann. Neurol.
41: 335-337, 1984. *FIELD* CS;
Inheritance : Autosomal dominant;
Molecular basis : Caused by mutation in the cilia- and flagella-associated protein 43 gene (CFAP43,
617558.0012);