Pediatric Bone Health Assessment Techniques

Pediatric bone health assessment encompasses a range of imaging modalities and clinical approaches designed to evaluate bone quantity, quality and structural integrity during growth. Dual-energy X-ray absorptiometry (DXA) remains the most widely adopted method for measuring bone mineral density (BMD) and generating age- and sex-adjusted Z-scores. Peripheral quantitative computed tomography (pQCT) provides three-dimensional evaluation of trabecular and cortical compartments, as well as biomechanical indices such as cross-sectional moment of inertia. Quantitative ultrasound (QUS) offers radiation-free assessment of bone stiffness at peripheral sites, albeit with limited standardisation of paediatric reference data. Automated radiogrammetric techniques applied to hand radiographs yield cortical indices that correlate with DXA and pQCT measures, while vertebral fracture assessment (VFA) programmes facilitate detection of low-trauma spinal deformities without additional radiation exposure. Biochemical markers of bone turnover and clinical fracture history further complement imaging findings. Challenges specific to the growing skeleton include interpreting measurements in the context of growth, puberty and body size, as well as ensuring appropriate positioning and cooperation in younger children. The integration of fracture surveillance, growth monitoring and judicious use of bone-protective therapies underpins contemporary management of paediatric bone fragility, with global efforts to adapt techniques for resource-limited settings driving innovation in low-cost, portable technologies.

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Pediatric Bone Health Assessment Techniques publication trend

The graph below shows the total number of articles in pediatric bone health assessment techniques across all publications each year (not limited to Nature Index journals).

Technical terms

Bone Mineral Density (BMD): The amount of mineral mass per unit area of bone, indicating bone strength.

Dual-energy X-ray Absorptiometry (DXA): Imaging technique that quantifies BMD and body composition using low-dose X-rays.

Peripheral Quantitative Computed Tomography (pQCT): Three-dimensional scan that separately assesses trabecular and cortical bone compartments and biomechanical indices.

Vertebral Fracture Assessment (VFA): Low-dose imaging method to detect and grade spinal fractures, often incorporated into DXA software.

Z-score: Standard deviation score comparing an individual’s BMD to age- and sex-matched reference data.

References

1. Bone health in childhood and adolescence: an overview on dual-energy X-ray absorptiometry scanning, fracture surveillance and bisphosphonate therapy for low-middle-income countries. Frontiers in Endocrinology (2023).
2. Association of Insulin-like Growth Factor-1 with Bone Mineral Density in Survivors of Childhood Acute Leukemia. Cancers (2024).
3. Peripheral quantitative computed tomography (pQCT) for the assessment of bone strength in most of bone affecting conditions in developmental age: a review. Italian Journal of Pediatrics (2016).
4. Radial Quantitative Ultrasound and Dual Energy X‐Ray Absorptiometry: Intermethod Agreement for Bone Status Assessment in Children. BioMed Research International (2015).
5. A Piece of the Puzzle: The Bone Health Index of the BoneXpert Software Reflects Cortical Bone Mineral Density in Pediatric and Adolescent Patients. PLOS ONE (2016).
6. Osteoporosis in children and adolescents: when to suspect and how to diagnose it. European Journal of Pediatrics (2022).