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Updated: Dec 9, 2025
07:10
A Sectioning, Coring, and Image Processing Guide for High-Throughput Cortical Bone Sample Procurement and Analysis for Synchrotron Micro-CT
Published on: June 12, 2020
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Cortical Bone Microarchitecture in Dialysis Patients.
Eva Benillouche1, Agnes Ostertag2, Caroline Marty2
1Department of Rheumatology, Lariboisière Hospital, Paris, France.
American Journal of Nephrology
|September 10, 2020
Summary
Bone microarchitecture analysis in dialysis patients reveals 3D-microcomputed tomography (3D-µCT) reliably measures cortical bone. This method shows promise for assessing fracture risk in patients undergoing dialysis.
Area of Science:
- Nephrology
- Orthopedics
- Biomedical Engineering
Background:
- Dialysis patients experience a high incidence of skeletal fractures.
- Existing tools are inadequate for predicting bone fragility in this population.
- Bone microarchitecture analysis offers a potential avenue for improved risk assessment.
Purpose of the Study:
- To evaluate the utility of microcomputed tomography (µCT) for assessing bone microarchitecture in dialysis patients.
- To compare different imaging modalities for bone analysis in patients with fractures.
Main Methods:
- Analysis of 12 trans-iliac bone biopsies from patients with recent fractures.
- Bone microarchitecture assessment using 2D histology, 3D-µCT, and high-resolution peripheral quantitative computed tomography (HR-pQCT).
Main Results:
- Trabecular bone volume measurements varied between 2D histology, 3D-µCT, and HR-pQCT.
- No significant correlation was found for trabecular microarchitectural indices across the different methods.
- 3D-µCT demonstrated reliable measurement of cortical thickness (Ct.Th), which was lower in patients with multiple vertebral fractures.
Conclusions:
- 3D-µCT is a dependable technique for quantifying cortical bone in bone biopsies.
- Further prospective research is needed to establish the role of 3D-µCT in predicting fracture risk in dialysis patients.
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