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radiographic visualization of the fluid-containing structures of the brain after cerebrospinal fluid is intermittently withdrawn by lumbar puncture and replaced by air, oxygen, or helium.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/pneu·mo·ven·tric·u·log·ra·phy/ (noo″mo-ven-trik″u-log´rah-fe) radiography of the cerebral ventricles after injection of air or gas.
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.