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 1 Number of patients and reasons for their exclusion from the study
The reason for exclusion
n
Spinal or cranial surgery history29
Poor image quality3
Spondylodiscitis2
Spinal metastasis1
Stenosis due to synovial cyst1
Total36