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Sacroiliac joint morphologic changes from infancy to adulthood
Pierre Coudert1, Roxanne Dubé-Cyr2, Kathia Chaumoitre3
1Service d'Orthopédie Traumatologie, Spine Unit 1, CHU de Bordeaux, Hôpital Pellegrin, Bordeaux, France.
Summary
Sacroiliac joint (SIJ) morphology changes during growth, impacting surgical considerations, were analyzed. SIJ orientation significantly correlates with age and pelvic incidence in younger individuals, differing from adults.
Area of Science:
- Anatomy
- Radiology
- Orthopedics
Background:
- Limited literature exists on sacroiliac joint (SIJ) morphology changes during growth.
- Increasing interest in SIJ morphology and its surgical implications.
Purpose of the Study:
- Anatomically define the sacroiliac joint (SIJ).
- Assess the influence of growth on SIJ morphology and pelvic parameters.
Main Methods:
- Computed tomography (CT) scans of 49 young subjects (6 months–18 years) and 20 adults (18–50 years).
- 3D segmentation and SIJ orientation analysis using Python scripts.
- Subjects categorized into infants, children, adolescents, and adults.
Main Results:
- Significant differences in SIJ orientation between younger age groups and adults.
- SIJ orientation correlated significantly with age and pelvic incidence in younger subjects.
- No significant gender or symmetrical differences observed.
Conclusions:
- Morphological definition of the SIJ is independent of gender during growth.
- Findings aid in the analysis and management of vertebral pathology.
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