Retrospective Study
Copyright ©The Author(s) 2021.
World J Radiol. Jan 28, 2021; 13(1): 29-39
Published online Jan 28, 2021. doi: 10.4329/wjr.v13.i1.29
Table 2 Cross-sectional areas of the dural sac at lumbar intervertebral disc levels in patients with spinal stenosis without redundant nerve roots and with redundant nerve roots of the cauda equina on lumbar magnetic resonance imaging
Intervertebral discal space levels
Cross-sectional area without redundant nerve roots of the cauda equina, mean ± SD dev (range) mm2
Cross-sectional area with redundant nerve roots of the cauda equina, mean ± SD dev (range) mm2
L2-L3130.85 ± 38.56 (48.68-240.56) 93.84 ± 34.63 (39.40-194.50)
L3-L4100.90 ± 31.50 (38.86-176.00)68.87 ± 31.23 (25.42-164.59)
L4-L578.92 ± 22.69 (21.03-126.02)61.05 ± 35.76 (14.94-163.92)
L5-S1102.56 ± 43.27 (17.57-251.53)97.11 ± 41.90 (15.05-211.13)