pneumoencephalography /pneu·mo·en·ceph·a·log·ra·phy/ (PEG) (-en-sef″ah-log´rah-fe) radiography of fluid-containing structures of the brain after cerebrospinal fluid is intermittently withdrawn by lumbar puncture and replaced by a gas.
pneumoencephalography
pneu·mo·en·ceph·a·log·ra·phy (n  m - n-sf -l g r-f )n. Radiographic visualization of the cerebral ventricles and subarachnoid spaces after the injection of air or gas. pneu mo·en·cepha·lo·gram (--l-gr m, --l-) n. |
pneumoencephalography
[no̅o̅′mō·ensef′əlog′rəfē]
Etymology: Gk, pneuma, air, enkephalos, brain, graphein, to record
a procedure for the radiographic visualization of the ventricular space, basal cisterns, and subarachnoid space overlying the cerebral hemispheres of the brain. Air, helium, or oxygen is injected into the lumbar subarachnoid space after the intermittent removal of the cerebrospinal fluid by lumbar puncture. See also encephalography, ventriculography. pneumoencephalographic, adj.
pneumoencephalography
radiographic visualization of the fluid-containing structures of the brain after cerebrospinal fluid is withdrawn and replaced by air, oxygen or helium.
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