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Densitometric study of developing vertebral bodies
G L Panattoni1, A Sciolla, G C Isaia
1Department of Human Anatomy and Physiology, University of Turin, Italy.
Calcified Tissue International
|July 1, 1995
Summary
Bone mineral content in human fetal spines increases with developmental age, peaking in the lumbar region. Bone mineral density shows individual variability, not developmental age, according to this densitometric study.
Area of Science:
- Skeletal Biology
- Developmental Biology
- Biophysics
Background:
- Understanding human fetal spine ossification is crucial for assessing skeletal development.
- Previous studies have described the general ossification pattern but lacked quantitative densitometric data.
Purpose of the Study:
- To quantitatively assess human fetal spine ossification using high-resolution densitometry.
- To correlate bone mineral content and density with developmental age in fetal spines.
Main Methods:
- High-resolution densitometric scanning (lateral and postero-anterior) of five fetal spines (18-36 weeks) and one infant spine.
- Data analysis plotting bone mineral content and density against developmental age for each vertebra.
Main Results:
- Bone mineral content significantly increased with developmental age, with a peak in the upper lumbar vertebrae.
- Bone mineral density (BMD) did not correlate with developmental age and exhibited similar trends across all examined vertebrae.
- Individual variability appears to be a significant factor influencing BMD.
Conclusions:
- Densitometric techniques provide valuable quantitative insights into fetal spine skeletal development.
- Bone mineral content accumulation follows a predictable pattern, while BMD is influenced by individual factors.
- This study establishes a baseline for densitometric assessment of spinal ossification in development.