PMC7656018_01
Preoperative MRI showing the left-sided herniated lumbar disc at the segment L5-S1 (arrows) on the sagittal (a) and axial (b) views.
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F1
However, 3 months later, he again developed left S1 radiculopathy, where a new herniated disc was revealed at the same level was [Figure 1].
(a) Positive distribution of technetium-99m-labeled-infliximab at the intervertebral space and the herniated disc in the spinal canal before surgery. (b) Preoperative MRI showing the herniated disc at the L5/S1 level with intraforaminal sequester. (c) Negative distribution of technetium-99m-labeled-infliximab at the intervertebral at the L5/S1 level or the spinal canal after surgery.
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F2
At this point, a second SPECT scan was performed, which documented a complete resolution of inflammation at the operative site [Figure 2].