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Longitudinal Micro-Computed Tomography Image Analysis for User-Defined Region of Interest in Critical-Sized Bone Defects
Published on: June 24, 2025
736
[Visualization of local cortical defects in Charcot foot using microcomputed tomography].
1University of Applied Sciences Upper Austria, Stelzhamerstraße 23, 4600, Wels, Österreich, sascha.senck@fh-wels.at.
Der Orthopade
|December 6, 2014
Summary
Diabetic neuropathic osteoarthropathy, or Charcot foot, involves bone destruction. Microcomputed tomography (microCT) revealed high cortical porosity and fractures, crucial for understanding Charcot foot pathogenesis.
Area of Science:
- Orthopedics
- Radiology
- Pathology
Background:
- Diabetic neuropathic osteoarthropathy (Charcot foot) is characterized by chronic soft tissue and bone destruction due to fractures.
- Early diagnosis of Charcot foot often relies on magnetic resonance imaging (MRI) for detecting cortical bone fractures.
Purpose of the Study:
- To investigate the cortical microstructure, fractures, and porosity in Charcot foot.
- To visualize local cortical defects for potential reclassification based on MRI findings.
Main Methods:
- Microcomputed tomography (microCT) was used to analyze bone parameters.
- Cortical thickness and porosity were quantified to assess metatarsal microstructure in Charcot foot.
Main Results:
- All bone samples exhibited significant cortical porosity, with pores perforating the cortical bone.
- Reduced cortical thickness correlated with large cortical pores, potentially initiating fractures.
- The origin of detected microfractures (physiological vs. preparation artifact) remains undetermined.
Conclusions:
- Microcomputed tomography (microCT) enabled high-resolution visualization and quantification of cortical porosity in Charcot foot.
- Cortical fractures and porosity are significant factors in the pathogenesis of Charcot foot.
