title: Posterior fossa cystic malformations: ultrasonic approach.
mesh_terms: D001921:Brain / Q000002:abnormalities*; D001927:Brain Diseases / Q000175:diagnosis; D003388:Cranial Fossa, Posterior; D003560:Cysts / Q000175:diagnosis; D003616:Dandy-Walker Syndrome / Q000175:diagnosis; D003937:Diagnosis, Differential; D004453:Echoencephalography; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011296:Prenatal Diagnosis