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. 2020 Sep 3;10:14635. doi: 10.1038/s41598-020-71515-8

Figure 2.

Figure 2

Illustration of the DSCSA evaluation technique. Preoperative MRI (a) showed dural sac compression due to a bulging disc and ligamentum flavum hypertrophy. The postoperative MRI (b) showed improvement of DSCSA after laminectomy.