ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2020
Medial meniscus posterior root tear causes swelling of the medial meniscus and expansion of the extruded meniscus: a comparative analysis between 2D and 3D MRI.
Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 44 citations in OpenAlex.
- Medial Meniscal Extrusion Increased on 6-Month Magnetic Resonance Imaging, Despite Successful Posterior Root Repair With or Without a Centralization Suture: A Randomized Controlled Clinical Trial.The American journal of sports medicine · 2025Trial
- Medial Meniscus Extrusion Volume in the Knee Flexion Position Does Not Worsen after Transtibial Pullout Repair for Medial Meniscus Posterior Root Tears: A 3-year Follow-up.The journal of knee surgery · 2026Article
- Radiologic and Clinical Analysis of Posterior Medial Meniscal Root Tears: A Comparative Study of All-Suture Anchor and Transtibial Pullout Techniques.Orthopaedic journal of sports medicine · 2026Article
- Posterior approach achieves more accurate replication of the posterior horn than anterior approach in transtibial pull-out repair of medial meniscus posterior root tear.Knee surgery & related research · 2026Article
- Dual-Tunnel Pullout Repair for the Extruded Medial Meniscus in Patients With Posterior Root Tear.Arthroscopy techniques · 2025Article
- In vivo dynamic intrusion and extrusion of the menisci in varus and valgus load within a healthy population.Journal of experimental orthopaedics · 2025Article
- Clinical outcomes following medial meniscus posterior root repairs: A minimum of 5-year follow-up study.Journal of experimental orthopaedics · 2025Article
- Relationship Between the Sagittal and Coronary Alignment of the Tibiofemoral Joint and the Medial Meniscus Extrusion in Knee Osteoarthritis.Healthcare (Basel, Switzerland) · 2024Article
- Article
- Diagnosis and Treatment Strategies of Meniscus Root Tears: A Scoping Review.Orthopaedic journal of sports medicine · 2024Article
- Fast rehabilitation does not worsen clinical, radiological, and arthroscopic outcomes after medial meniscus posterior root repair: A retrospective comparative study.Asia-Pacific journal of sports medicine, arthroscopy, rehabilitation and technology · 2024Article
- Anterior bone tunnel position increases meniscus migration in medial meniscus posterior root repair: A cadaveric study of suture length changes.Journal of experimental orthopaedics · 2024Article
- The feasibility of diagnosing sprained ankle via 3D MRI reconstructing three-dimensional model of anterior talofibular ligament.Frontiers in sports and active living · 2024Article
- Concomitant posterior anchoring further reduces posterior meniscal extrusion during pullout repair of medial meniscus posterior root tears: a retrospective study.International orthopaedics · 2023Article
- Transtibial pullout repair techniques using two simple stitches for medial meniscus posterior root tear can prevent the progression of medial meniscus extrusion and obtain successful outcomes.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2022Article
- Degenerative Meniscus in Knee Osteoarthritis: From Pathology to Treatment.Life (Basel, Switzerland) · 2022Review
- A posterior shiny-corner lesion of the tibia is observed in the early phase after medial meniscus posterior root tear.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2022Article
- Medial meniscus posterior root repair reduces the extruded meniscus volume during knee flexion with favorable clinical outcome.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2021Article
- Accurate placement of a tibial tunnel significantly improves meniscal healing and clinical outcomes at 1 year after medial meniscus posterior root repair.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2021Article
- Placement of an anatomic tibial tunnel significantly improves the medial meniscus posterior extrusion at 90° of knee flexion following medial meniscus posterior root pullout repair.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2021Article
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThis study aimed to clarify the advantages of three-dimensional (3D) magnetic resonance imaging (MRI) over two-dimensional (2D) MRI in measuring the size of the medial meniscus (MM) and to analyse the volumes of MM and the extruded meniscus in patients with MM posterior root tear (MMPRT), at 10° and 90° knee flexion.
methodsThis study included 17 patients with MMPRTs and 15 volunteers with uninjured knees. The MMs were manually segmented for 3D reconstruction; thereafter, the extruded part separated from the tibial edge was determined. The length, width, height, and extrusion of MM were measured by the 2D and 3D methods, and compared. The MM volume, extruded meniscus volume, and their ratio were also calculated using 3D analysis software in the two groups.
resultsThe estimated length and posterior height of MM were larger with 3D MRI than with 2D MRI measurements. The MM volume was significantly greater in MMPRT knees than in normal knees, with increasing MM height. In MMPRT knees, the mean volume of the extruded meniscus and its ratio significantly increased by 304 mm
conclusionsThis study demonstrated that 3D MRI could estimate the precise MM size and that MMPRT caused swelling of the meniscus due to the increased thickness in the posteromedial part. The clinical significance of this study lies in its 3D evaluation of MM volume, which should help the surgeon understand the biomechanical failure of MM function and improve MMPRT repair technique. LEVEL OF EVIDENCE: III.
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