Prenatal diagnosis of rhombencephalosynapsis and postnatal outcomes associations and outcomes of prenatally detected rhombencephalosynapsis.

Prenatal assessment of the RES severity is challenging and may be unreliable. Nevertheless, postnatal prognosis is poor for both complete and partial RES. Associated aqueductal stenosis, can be reliably assessed prenatally and this may contribute to worse postnatal prognosis than the degree of RES.