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Standardized Histomorphometric Evaluation of Osteoarthritis in a Surgical Mouse Model
Published on: May 6, 2020
Functional Imaging in Osteoarthritis: Bridging Mechanistic Insight and Therapeutic Translation
Xiwei Fan1,2,3, Fumin Yuan1,2,3, Feng Gao1,2,3
1Department of Orthopaedic Surgery, the Second Xiangya Hospital of Central South University, Changsha, China.
Aging and Disease
|July 27, 2026
Summary
Functional imaging offers a new way to assess osteoarthritis (OA) by looking at biological processes, not just joint structure. Selecting the right imaging method based on clinical needs is key for accurate diagnosis and treatment monitoring.
Area of Science:
- Orthopedics
- Radiology
- Biomedical Engineering
Background:
- Osteoarthritis (OA) is a complex, age-related joint disease involving cartilage, synovium, bone, mechanics, and pain pathways.
- Conventional radiography and symptom scores have limitations in reflecting active biological processes, pain, or progression risk.
- Functional imaging offers a decision-oriented framework to evaluate OA beyond structural changes.
Purpose of the Study:
- To propose a framework for selecting functional imaging techniques in osteoarthritis (OA) based on specific clinical decision contexts.
- To differentiate the translational value of various functional imaging modalities for OA research and clinical application.
- To guide the development and validation of functional imaging biomarkers for OA.
Main Methods:
- Review and synthesis of current functional imaging techniques applicable to OA, including quantitative MRI, PET, optical coherence tomography, and others.
- Discussion of the translational pathway and potential clinical utility of different imaging approaches.
- Proposal of a roadmap for biomarker development, emphasizing reproducibility, specificity, and utility.
Main Results:
- Functional imaging provides insights into active biological processes in OA, complementing structural assessments.
- Different functional imaging modalities have varying potential for near-term clinical and trial applications (e.g., risk stratification, monitoring).
- Discovery platforms are crucial for identifying novel targets and refining OA endotypes.
Conclusions:
- Functional imaging should be chosen based on the specific clinical question and decision context, not solely on technological novelty.
- A strategic roadmap is needed to advance functional imaging signals to qualified biomarkers for OA.
- Prioritizing reproducibility, biological specificity, and clinical utility is essential for the successful translation of functional imaging in OA.