pneumoencephalography

Radiographic visualization of the cerebral ventricles by injection of air or other gas. ... (12 Dec 1998) ...
Found on http://www.mondofacto.com/facts/dictionary?pneumoencephalography

pneumoencephalography

(PEG) (noo″mo-әn-sef″ә-logĀ“rә-fe) radiographic visualization of the fluid-containing structures of the brain after cerebrospinal fluid is intermittently withdrawn by lumbar puncture and replaced by air, oxygen, or helium.
Found on http://www.encyclo.co.uk/local/21001

pneumoencephalography

Type: Term Pronunciation: nū′mō-en-sef′ă-log′ră-fē Definitions: 1. Radiographic visualization of cerebral ventricles and subarachnoid spaces by use of gas such as air; no longer used because of CT and MRI.
Found on http://www.medilexicon.com/medicaldictionary.php?t=70304

Pneumoencephalography

Pneumoencephalography (sometimes abbreviated PEG; also referred to as an `air study`) was a common medical procedure in which most of the cerebrospinal fluid (CSF) was drained from around the brain by means of a lumbar puncture and replaced with air, oxygen, or helium to allow the structure of the brain to show up more clearly on an X-ray image...
Found on http://en.wikipedia.org/wiki/Pneumoencephalography
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