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Reference intervals of C2-C7 lateral spinous process deviation in Chinese adults
1Department of TCM Orthopaedics and Traumatology, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China.
Folia Morphologica
|September 27, 2022
Summary
Lateral spinous process deviation (LSPD) is common in Chinese adults, with most cervical vertebrae showing deviation. This finding suggests LSPD may not be a reliable indicator for clinical care.
Area of Science:
- Anatomy
- Radiology
- Orthopedics
Background:
- Lateral spinous process deviation (LSPD) is a morphological parameter in cervical spine anatomy.
- Quantitative studies on LSPD are limited, necessitating reference interval establishment.
Purpose of the Study:
- Establish reference intervals for C2-C7 LSPD in the adult Chinese population.
- Provide data for clinical practitioners regarding cervical spine morphology.
Main Methods:
- Retrospective analysis of 92 adult patients (42 female, 50 male) with neck CT scans.
- 3D reconstruction and anatomical measurements using Mimics Research 19.0 and 3-Matic Research 11.0.
Main Results:
- Excellent inter-observer reliability (ICC > 0.93) for LSPD measurements.
- Reference interval for C2-C7 LSPD angle: (85.11, 94.75) degrees.
- C2 LSPD direction differed from C5 and C7; males showed greater C4 LSPD angles; weak correlation between age and C2 LSPD.
Conclusions:
- Cervical spinous process deviation < 5 degrees is common in Chinese adults, suggesting LSPD may not be a clinical indicator.
- Opposite LSPD directions may occur between upper (C2-C4) and lower (C5-C7) cervical levels.
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