ArticleJournal of experimental orthopaedics2024
Ultrasounds outperform magnetic resonance imaging in quantifying meniscal extrusion in patients with knee osteoarthritis.
Article in Journal of experimental orthopaedics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Medial meniscus extrusion during gait identifies altered knee mechanical loading in early osteoarthritis of the knee.Journal of experimental orthopaedics · 2026Article
- Meniscal extrusion increases with age: Decade-specific magnetic resonance imaging reference values.Journal of experimental orthopaedics · 2026Article
- Article
- Medial Meniscal Extrusion: A Narrative Review of Etiology, Diagnosis, and Therapeutic Strategies.Orthopedic research and reviews · 2026Review
- Physiologic Medial Meniscal Extrusion With Loading and Flexion Detected by Ultrasound.Orthopaedic journal of sports medicine · 2025Article
- Ultrasound can assess soft tissue laxity in osteoarthritic knees and after total knee arthroplasty.Journal of experimental orthopaedics · 2025Article
- Meniscal Extrusion Correlates with Symptom Severity in Knee Osteoarthritis: An Ultrasound and Magnetic Resonance Imaging Analysis of 100 Patients.Journal of clinical medicine · 2024Article
- Ultrasounds outperform magnetic resonance imaging in quantifying meniscal extrusion in patients with knee osteoarthritis.Journal of experimental orthopaedics · 2024Article
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: The aim of this study was to quantify meniscal extrusion through ultrasound (US) evaluation in supine and standing positions and to compare the results with those documented through magnetic resonance (MR) imaging in patients affected by knee osteoarthritis (OA). Methods: Sixty patients (38 men, 22 women, mean age 60.8 ± 9.7 years) with knee OA were enrolled and underwent a 1.5 T MR evaluation and an US examination of the symptomatic OA knee for the evaluation of the medial and lateral meniscus extrusion both in the supine clinostatic position (clino-US) with the knee fully extended and in the standing weight-bearing orthostatic position (ortho-US). For the three imaging evaluations (MR, clino-US and ortho-US), both semi-quantitative and quantitative measurements were performed. Results: The quantitative analysis documented higher values of medial meniscal extrusion at the ortho-US evaluation (5.2 ± 2.3 mm) compared to MR (4.2 ± 2.2, Conclusion: US outperforms MR imaging in quantifying meniscal extrusion in patients with knee OA. Moreover, the highest values of meniscal extrusion have been documented using US in standing position compared to the supine position, underlining the importance of the weight-bearing assessment of meniscal extrusion in knee OA patients. Level of Evidence: II.
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