encephalography /en·ceph·a·log·ra·phy/ (en-sef″ah-log´rah-fe) radiography demonstrating the intracranial fluid-containing spaces after the withdrawal of cerebrospinal fluid and introduction of air or other gas; it includes pneumoencephalography and ventriculography.
encephalography
en·ceph·a·log·ra·phy ( n-sf  -l g r-f )n. Radiographic examination of the brain in which some of the cerebrospinal fluid is replaced with air or another gas that acts as a contrasting medium. en·ceph a·lo·graphic (--l-gr f k, --l -) adj. |
encephalography
[ensef′əlog′rəfē]
radiographic delineation of the structures of the brain containing fluid after the cerebrospinal fluid is withdrawn and replaced by a gas, such as air, helium, or oxygen. The procedure is used mainly for indicating the site of cerebrospinal fluid obstruction in hydrocephalus or structural abnormalities of the posterior fossa. Because of the risks involved, it is used only when results of computed tomography are not definitive. Kinds of encephalography are pneumoencephalography and ventriculography. Also called air encephalography. Compare echoencephalography, electroencephalography. encephalographic, adj.
encephalography
radiography demonstrating the intracranial fluid-containing spaces after the withdrawal of cerebrospinal fluid and introduction of air or water-soluble contrast media. Called also pneumoencephalography, ventriculography, cerebral ventriculography.
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