Symptoms of Dandy-Walker vary with age and can include the ... Dandy-Walker syndrome has been found to occur most often in children who have an extra copy of chromosome 18 (trisomy 18). However, Dandy ...

Background: Trisomy 18 is the second most common autosomal trisomy in liveborn infants, characterised by severe psychomotor and growth retardation. The median survival is 19 days, with only 5-8% ...

Among 19 autopsied cases of 17–18 trisomy syndrome, 10 confirmed by cytogenetic studies, nine diagnosed on the basis of phenotypic characteristics, seven cases of neonatal hepatitis were found ...