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April 1944

A SIMPLE AUTOMATIC PNEUMOENCEPHALOGRAPH

Author Affiliations

Medical Corps, Army of the United States

From the Section of Neuro-Psychiatry, Station Hospital, Army Air Base, Lincoln, Neb.

Arch NeurPsych. 1944;51(4):405. doi:10.1001/archneurpsyc.1944.02290280103008
Abstract

That air appears as a contrasting medium in the ventricles of the brain in roentgenograms of the skull was accidentally discovered by Luckett,1 in 1913. Dandy,2 in 1918, was the first to use air intentionally, when he introduced the gas directly into the ventricles. In 1919 he3 injected air into the lumbar subarachnoid space to outline cerebral structures on the roentgenogram. This procedure he called encephalography. To avoid confusion with electroencephalography, it may better be designated as pneumoencephalography. If no block exists, the pneumoencephalographic method provides for admission of air into any intracranial space occupied by cerebrospinal fluid.

TECHNIC  In this paper there is described a simple automatic pneumoencephalograph which can be improvised from materials usually at hand in any hospital. Any two receptacles, a length of rubber tubing and one of glass, two lumbar puncture needles and two needle adapters comprise all that is necessary. Two

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