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Review
. 2023 Jan 1;35(1):44-54.
doi: 10.1097/BOR.0000000000000917. Epub 2022 Nov 11.

Advances in osteoarthritis imaging

Majid Chalian  1 , Frank W Roemer  2   3 , Ali Guermazi  3   4
Affiliations
Review

Advances in osteoarthritis imaging

Majid Chalian et al. Curr Opin Rheumatol. .

Abstract

Purpose of review: Imaging plays a pivotal role for diagnosis, follow-up and stratification of osteoarthritis patients in clinical trials and research. We aim to present an overview of currently available and emerging imaging techniques for osteoarthritis assessment and provide insight into relevant benefits and pitfalls of the different modalities.

Recent findings: Although radiography is considered sufficient for a structural diagnosis of osteoarthritis and is commonly used to define eligibility of patients for participation in clinical trials, it has inherent limitations based on the projectional nature of the technique and inherent challenges regarding reproducibility in longitudinal assessment. MRI has changed our understanding of the disease from 'wear and tear' of cartilage to a whole organ disorder. MRI assessment of structural changes of osteoarthritis includes semi-quantitative, quantitative and compositional evaluation. Ultrasound is helpful in evaluating the degree of synovitis and has value in the assessment particularly of the patella-femoral joint. Recent development of computed tomography technology including weight-bearing systems has led to broader application of this technology in a research context.

Summary: Advances in MRI technology have resulted in a significant improvement in understanding osteoarthritis as a multitissue disease.

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