AJDRAJNR - American Journal of Neuroradiology

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FIG 2. Infiltration of the gas mixture.

A, L4-L5 right intraextraforaminal disk herniation (arrows).

B, Correct positioning of the needle.

C, Distribution of the gas mixture in the herniation (arrowheads) and in the facet joint (arrows).





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Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X