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Analysis of gas in vacuum lumbar disc

1977; American Roentgen Ray Society; Volume: 128; Issue: 6 Linguagem: Inglês

10.2214/ajr.128.6.1056

1546-3141

LEE T. FORD, Louis A. Gilula, William A. Murphy, M. Gado,

Medical Imaging Techniques and Applications

In three cases in which chemonucleolysis with chymopapain was used for the treatment of back and sciatic pain, gas from the vacuum phenomenon of a degenerated lumbar intervertebral disc was recovered. In one of these, the gas analyzed by gas chromatography contained 90%--92% nitrogen.