Article
Congenital Nasolacrimal Duct Cyst/Dacryocystocele: An Argument for a Genetic Basis
1 Jan 2012
Abstract excerpt
Embryogenesis of a congenital nasolacrimal duct (NLD) cyst is attributed to the failure of the Hasner membrane of the NLD system to cannulate. Prenatal diagnosis of congenital NLD cysts supports the argument for a developmental error, with a postnatal prevalence of 6%. The role of a genetic basis for this malformation has never been ascribed. We present a set of monozygotic twins with bilateral congenital NLD...
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