Table 4 Comparison of LSTV prevalence by counting method, based on different vertebral level landmarks
LSTV | Lumbarisation | Sacralisation | No. of cases | Landmark | Imaging modality | |
|---|---|---|---|---|---|---|
This study | ||||||
Count from C2 | 20 (8.8 %) | 14 (6.2 %) | 6 (2.7 %) | 226 | C2 | Whole-spine MSCT |
Recount | 11 (4.9 %) | 4 (1.8 %) | 7 (3.1 %) | the lowest rib | ||
Castellvi et al. [3] | ||||||
60 (30.0 %) | 4 (2.0 %) | 56 (28.0 %) | ||||
Type I | 25 (12.5 %) | AP, LAT and | ||||
Type II | 23 (11.5 %) | 200 | the lowest rib | 30° cranially angled AP | ||
Type III | 5 (2.5 %) | lumber radiograph | ||||
Type IV | 3 (1.5 %) | |||||