Intraforaminal O2-O3 versus Periradicular Steroidal Infiltrations in Lower Back Pain: Randomized Controlled Study
Matteo Bonettia,
Alessandro Fontanaa,
Biagio Cotticellib,
Giorgio Dalla Voltaa,
Massimiliano Guindanib and
Marco Leonardic
a Department of Neuroradiology and Division of Neurology, Istituto Clinico Città di Brescia, Italy
b Division of Neurology, Casa di Cura S. Anna, Italy
c Department of Neuroradiology Ospedale Bellaria, Bologna, Italy
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FIG 1. Preliminary CT measurements, periganglionic approach.
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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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FIG 3. After intraforaminal infiltration, the gas mixture is distributed between the posterior longitudinal ligament and the dural sheath.
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FIG 4. Infiltration of the gas mixture.
A, Preliminary CT measurements of L4-L5 disk herniation on the left side.
B, Correct positioning of the needle.
C, Distribution of the gas mixture.
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