Quantifying knee cartilage development trajectories in children aged 6–12 years via diffusion tensor imaging
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By
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Zhuo Cheng
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Wei Li
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Wei Ma
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Gaohui Zhu
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Yujuan Hu
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Junya Ma
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Sijie Gao
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Yilu Zhang
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Hailun Peng
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Ye Xu
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July 1, 2026
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Clinical Scorecard: Assessing Pediatric Knee Cartilage Growth Patterns in Children Aged 6 to 12 Years Using Diffusion Tensor Imaging
At a Glance
| Category | Detail |
|---|
| Condition | Pediatric Knee Cartilage Development |
| Key Mechanisms | Diffusion Tensor Imaging (DTI) biomarkers: Fractional Anisotropy (FA) and Apparent Diffusion Coefficient (ADC) |
| Target Population | Healthy children aged 6–12 years |
| Care Setting | Pediatric radiology and imaging |
Key Highlights
- FA values increased significantly with age and bone age, correlating best with bone age.
- Girls exhibited higher FA values than boys across all age groups.
- ADC values in the growth plate decreased with increasing bone age, with a steeper decline in girls.
- Excellent reproducibility of DTI measurements was confirmed (FA/ADC ICC > 0.94).
- DTI biomarkers sensitively reflect pediatric knee cartilage maturation.
Guideline-Based Recommendations
Diagnosis
- Utilize DTI to assess cartilage microstructure and development.
Management
- Monitor cartilage development and pathology in children using DTI biomarkers.
Monitoring & Follow-up
- Regularly evaluate FA and ADC values to track cartilage maturation.
Risks
- Early detection of pathological changes is crucial to prevent growth retardation and skeletal deformities.
Patient & Prescribing Data
Healthy children aged 6–12 years without joint abnormalities.
No specific treatments are prescribed; focus on monitoring cartilage development.
Clinical Best Practices
- Conduct comprehensive physical examinations to exclude joint abnormalities.
- Use standardized methods for bone age assessment.
- Ensure reproducibility of DTI measurements through careful imaging protocols.
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