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Epidemiology of Aqueductal Stenosis in Children

This page was last updated on May 9th, 2017

Incidence and Prevalence

  • 30-40%  of cases of hydrocephalus: Aqueductal stenosis accounts for 15–60% of cases of hydrocephalus in children and 10–40% of cases in adults (45, 51, 87,107).

Age Distribution

  • Bimodal distribution: There are two peaks of distribution for age: one in the first year of life and the other in adolescence (45).

Sex Predilection

  • Male: There is a slight male prevalence (45)

Geographic Distribution

  • None: There is no geographic predilection

Risk Factors

Relationships to Other Disease States and Syndromes

  • Neurofibromatosis: Non-tumoral aqueductal stenosis may be associated with certain inherited syndromes, such as neurofibromatosis (100). In their series, Pascual-Castroviejo et al (81) reported aqueductal stenosis in about 5% of children with NF1.

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