pneumoventriculography


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pneumoencephalography

 (PEG) [noo″mo-en-sef″ah-log´rah-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radiographic visualization of the fluid-containing structures of the brain after cerebrospinal fluid is intermittently withdrawn by lumbar puncture and replaced by air, oxygen, or helium.

pneumoventriculography

(nū″mō-vĕn-trĭk″ū-lŏg′ră-fē) [″ + ″ + Gr. graphein, to write]
An obsolete term for radiography of the ventricles of the brain after the injection of air.