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Definition of Pneumoencephalogram
1. Noun. An X ray of the brain made by replacing spinal fluid with a gas (usually oxygen) to improve contrast.
Exact synonyms: Encephalogram
Generic synonyms: Roentgenogram, X Ray, X-ray, X-ray Photograph, X-ray Picture
Generic synonyms: Roentgenogram, X Ray, X-ray, X-ray Photograph, X-ray Picture
Medical Definition of Pneumoencephalogram
1. Radiograph s obtained by pneumoencephalography. (05 Mar 2000)