Combined (internal and external) hydrocephalusTags: Brain sonography(Neurosonography), GE Logiq 400 MD, Clinical report, Pediatric Posts 10:20 30-04-2024 Combined (internal and external) hydrocephalus#1 A baby in a public clinic at a neurosonography. At Ultrasound of the brain visualizes the dilatation of the brain lateral ventricles and subconvexital space.