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. 2021 Sep 4:2021:7093745.
doi: 10.1155/2021/7093745. eCollection 2021.

The Role of Vertebral Morphometry in the Pathogenesis of Degenerative Lumbar Spinal Stenosis

Janan Abbas  1   2 , Natan Peled  3 , Israel Hershkovitz  1 , Kamal Hamoud  2   4   5
Affiliations

The Role of Vertebral Morphometry in the Pathogenesis of Degenerative Lumbar Spinal Stenosis

Janan Abbas et al. Biomed Res Int. .

Abstract

The aim of the current study was to establish whether the vertebral morphometry (e.g., vertebral body width and spinal canal diameters) is associated with degenerative lumbar spinal stenosis (DLSS). A retrospective computerized tomography (CT) study from L1 to L5 for two sample populations was used. The first included 165 participants with symptomatic DLSS (sex ratio 80 M/85F), and the second had 180 individuals from the general population (sex ratio: 90 M/90F). Vertebral body length (VL) and width (VW) were significantly greater in the stenosis males and females compared to their counterparts in the control. The mean VL in the stenosis males was 31.3 mm at L1, 32.6 mm at L2, 34 mm at L3, 34.1 mm at L4, and 34.5 at L5 compared to 29.9 mm, 31.3 mm, 32.6 mm, 32.8 mm, and 32.9, respectively, in the control group (P ≤ 0.003). Additionally, the bony anterior-posterior (AP) canal diameters and cross-sectional area (CSA) were significantly smaller in the stenosis group compared to the control. The mean AP canal values in the stenosis males were 17.8 mm at L1, 16.6 mm at L2, 15.4 mm at L3, 15.6 mm at L4, and 16.1 at L5 compared to 18.7, 17.8, 16.9, 17.6, and 18.8, respectively, in the control group. Vertebral length (OR-1.273 to 1.473; P ≤ 0.002), AP canal diameter (OR-0.474 to 0.664; P ≤ 0.007), and laminar inclination (OR-0.901 to 0.856; P ≤ 0.025) were significantly associated with DLSS. Our study revealed that vertebral morphometry has a role in DLSS development.

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Conflict of interest statement

The authors declare that they have no conflicts of interest.

Figures

Figure 1
Figure 1
Measurements of vertebral body diameters: body length and width (a) and body heights (b).
Figure 2
Figure 2
Measurements of bony canal diameters: anterior-posterior diameter, mediolateral diameter (a), and cross-section area of bony canal (b).
Figure 3
Figure 3
Measurement of interlaminar angle.
Figure 4
Figure 4
Measurement of laminar inclination (a). (b) demonstrates the location of the sagittal section at the mid lamina.
Figure 5
Figure 5
The mean vertebral beveling ratio of the male groups by lumbar level.
Figure 6
Figure 6
The mean vertebral beveling ratio of the female groups by lumbar level.
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Supplementary concepts