{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T23:57:02Z","timestamp":1792022222321,"version":"4.4.0"},"reference-count":85,"publisher":"Open Medical Publishing","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:p>Meniscal extrusion (ME) is strongly correlated with cartilage wear and osteoarthritis (OA), be-cause of the altered kinematic and the decreased contact area between the tibia and femur. The aim of this narrative review is to analyze the process of ME, focusing on the possible causes, and to evaluate the correlation between ME and knee OA, in order to provide early diagnosis and treatments. Studies written in English that analyzed the causes of ME, provided indications re-garding diagnosis and treatment, and evaluated the relation between ME and early OA were in-cluded. Injuries, degeneration of the meniscal substance and meniscus root tears are associated with significantly increased ME. An extruded meniscus could be a manifestation of other pa-thologies such as disruption of coronary ligaments, cartilage loss, knee malalignment, ligament injuries, or OA. ME is strongly associated with osteoarthritis features, particularly with bone marrow lesion and cartilage damage. Magnetic resonance imaging represents the gold standard for the detection of ME. The severity of the medial meniscus extrusion may also affect healing af-ter repair, and meniscus extrusion is not completely reduced by meniscus posterior root tear re-pair. In this study, we proved that ME represents an important risk factor for early knee OA. We provided alternative theories of ME, such as meniscal fibers injury first and \u201cdynamic extrusion of the menisci\u201d. The phenomenon of aging has been described as a new concept in the etiology of ME. Finally, we stated all the main techniques and characteristics of the diagnostic process, as well as the current knowledge in the therapeutic field.<\/jats:p>","DOI":"10.52965\/001c.74881","type":"journal-article","created":{"date-parts":[[2023,5,15]],"date-time":"2023-05-15T13:54:04Z","timestamp":1684158844000},"source":"Crossref","is-referenced-by-count":34,"title":["Meniscal extrusion: risk factors and diagnostic tools to predict early osteoarthritis"],"prefix":"10.52965","volume":"15","author":[{"given":"Giuseppe Francesco","family":"Papalia","sequence":"first","affiliation":[{"name":"Department of Orthopaedic and Trauma Surgery, Universit\u00e0 Campus Bio-Medico di Roma, Roma, Italy"},{"name":"Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pierangelo","family":"Za","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic and Trauma Surgery, Universit\u00e0 Campus Bio-Medico di Roma, Roma, Italy"},{"name":"Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luca","family":"Saccone","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic and Trauma Surgery, Universit\u00e0 Campus Bio-Medico di Roma, Roma, Italy"},{"name":"Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edoardo","family":"Franceschetti","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic and Trauma Surgery, Universit\u00e0 Campus Bio-Medico di Roma, Roma, Italy"},{"name":"Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Biagio","family":"Zampogna","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic and Trauma Surgery, Universit\u00e0 Campus Bio-Medico di Roma, Roma, Italy"},{"name":"Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sebastiano","family":"Vasta","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic and Trauma Surgery, Universit\u00e0 Campus Bio-Medico di Roma, Roma, Italy"},{"name":"Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rocco","family":"Papalia","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic and Trauma Surgery, Universit\u00e0 Campus Bio-Medico di Roma, Roma, Italy"},{"name":"Research Unit of Orthopaedic and Trauma Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"30777","published-online":{"date-parts":[[2023,5,13]]},"reference":[{"issue":"6","key":"ref1","doi-asserted-by":"publisher","first-page":"792","DOI":"10.1002\/ca.22590","article-title":"Meniscal extrusion or subchondral damage characterize incident accelerated osteoarthritis: Data from the osteoarthritis initiative","volume":"28","author":"Jeffrey B. 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