there is mild symmetrical dilation of the lateral ventricles bilaterally.this causes mild compression of the brain parenchyma against the skull vault,whic measures approximately 26mms on either side.falx cerebri is seen separating the lateral ventricles.choroid plexus are observed dangling in the csf of the lateral ventricles.measurement at the atrium of the lateral ventricles is 11 mms(normal 3rd ventricles is mildly dilated.4th ventricle is normal.thalami are mildly separated,as a result.cerebellum and brain-stem appear normal.ultrasonography of skull reveals, findings could be due to CONGENITAL AQUEDUCTAL STENOSIS with resultant mil the lateral and 3rd ventricles,as described above.correlate clinically. this for 1 month female child what is cause any critical please provide me suggestion on the send me the reply of this YYYY@YYYY hydrocephalus,involving impression: