Association of Spontaneous Osteonecrosis of the Knee with Ipsilateral Meniscus and Posterior Root Tear: Systematic Review and Meta-analysis

The relationship between spontaneous osteonecrosis of the knee (SONK) and ipsilateral meniscus tear remains to be established, and the possible causes are clarified and summarized. We conducted a search in Pubmed, Web of Science, Embase, and the Cochrane Library to include all English articles published from the establishment of the database until April 2023. The odds ratio (OR) and 95