Noun: pneumoencephalogram ,n(y)oo-mow-en'se-fu-lu,gram
- An X-ray of the brain made by replacing spinal fluid with a gas (usually oxygen) to improve contrast
"The pneumoencephalogram was an invasive procedure that has largely been replaced by modern imaging techniques";
- encephalogram
Derived forms: pneumoencephalograms
Type of: roentgenogram, X-ray, X-ray photograph, X-ray picture
Encyclopedia: Pneumoencephalogram