title: Progressive ventricular dilatation following pneumonencephalography. A radiological sign of occult hydrocephalus.
mesh_terms: D000328:Adult; D002552:Cerebral Ventricles; D002555:Cerebrospinal Fluid; D002557:Cerebrospinal Fluid Shunts; D002946:Cisterna Magna; D006801:Humans; D006849:Hydrocephalus / Q000000981:diagnostic imaging*; D006850:Hydrocephalus, Normal Pressure / Q000000981:diagnostic imaging; D007427:Intracranial Pressure; D008297:Male; D008875:Middle Aged; D011011:Pneumoencephalography