title: Localized enlargement of the cerebrospinal fluid space demonstrated by cisternography.
mesh_terms: D002526:Cerebellar Diseases / Q000503:physiopathology; D002555:Cerebrospinal Fluid / Q000502:physiology*; D002557:Cerebrospinal Fluid Shunts; D003388:Cranial Fossa, Posterior; D003399:Craniotomy; D003560:Cysts / Q000503:physiopathology; D003616:Dandy-Walker Syndrome / Q000503:physiopathology; D004388:Dura Mater / Q000293:injuries; D006801:Humans; D006849:Hydrocephalus / Q000150:complications; D007278:Injections, Spinal; D008588:Meningocele / Q000150:complications; D011877:Radionuclide Imaging; D016135:Spinal Dysraphism / Q000150:complications; D013346:Subarachnoid Space; D013667:Technetium; D013997:Time Factors; D015020:Yttrium Isotopes
chemical_list: D015020:Yttrium Isotopes; D013667:Technetium