| pneumoencephalography |
radiographic visualization of the fluid-containing structures of the brain after cerebrospinal fluid is intermittently withdrawn by lumbar puncture and replaced by air, oxygen, or helium; this procedure is no longer performed, having been replaced by metrizamide cisternography. Abbreviated PEG.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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