{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T03:01:44Z","timestamp":1778122904866,"version":"3.51.4"},"reference-count":26,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2021,2,1]],"date-time":"2021-02-01T00:00:00Z","timestamp":1612137600000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100012151","name":"Sanming Project of Medicine in Shenzhen","doi-asserted-by":"crossref","award":["SZSM201612078"],"award-info":[{"award-number":["SZSM201612078"]}],"id":[{"id":"10.13039\/501100012151","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Int Med Res"],"published-print":{"date-parts":[[2021,2]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To gain a greater understanding of anomalous insertions of the anterior horn of the medial meniscus through evaluation of a rare case and a review of the existing literature on medial meniscus malformations.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This report describes a 26-year-old man with an anomalous insertion of the anterior horn of the medial meniscus combined with symptomatic hypertrophy of the anterior horn and a synovial cyst. We also conducted a review of the existing literature on medial meniscus malformations using five major scholarly literature databases and search engines.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The literature review revealed that the incidence of anomalous insertions of the anterior horn of the medial meniscus is 0.5% to 2.8%. Not all patients undergo surgical excision; some are only symptomatically treated. In our patient, the arthroscopic view was consistent with the imaging characteristics. No special operation was performed to treat the anomalous insertion. At the 18-month follow-up, the patient had no symptom recurrence and had returned to practicing sports.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The pain during hyperextension in our patient was caused by a cyst and anterior horn hypertrophy. If the symptoms in such cases are not caused by the anomalous insertion, no special treatment is needed.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/0300060520981538","type":"journal-article","created":{"date-parts":[[2021,2,8]],"date-time":"2021-02-08T18:18:07Z","timestamp":1612808287000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Anomalous insertion of the anterior horn of the medial meniscus combined with anterior horn hypertrophy and a synovial cyst: case report and literature review"],"prefix":"10.1177","volume":"49","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0807-7809","authenticated-orcid":false,"given":"Peng","family":"Chen","sequence":"first","affiliation":[{"name":"Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pengzhou","family":"Huang","sequence":"additional","affiliation":[{"name":"Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China"},{"name":"Shantou University, Shantou, Guangdong, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuxiang","family":"Ren","sequence":"additional","affiliation":[{"name":"Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guanwei","family":"Jiang","sequence":"additional","affiliation":[{"name":"Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China"},{"name":"Anhui Medical University, Hefei, Anhui, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wentao","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xintao","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2021,2,2]]},"reference":[{"key":"bibr1-0300060520981538","doi-asserted-by":"publisher","DOI":"10.1016\/S0749-8063(98)70080-5"},{"key":"bibr2-0300060520981538","doi-asserted-by":"publisher","DOI":"10.1186\/s13256-017-1512-z"},{"key":"bibr3-0300060520981538","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2017.12.010"},{"key":"bibr4-0300060520981538","doi-asserted-by":"publisher","DOI":"10.1097\/MD.0000000000015182"},{"key":"bibr5-0300060520981538","doi-asserted-by":"publisher","DOI":"10.3928\/01477447-20160404-08"},{"key":"bibr6-0300060520981538","first-page":"1008","volume":"10","author":"Zhang X","year":"2010","journal-title":"Chin J Orthop"},{"key":"bibr7-0300060520981538","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.30B4.671"},{"key":"bibr8-0300060520981538","doi-asserted-by":"publisher","DOI":"10.1016\/S0749-8063(96)90231-5"},{"key":"bibr9-0300060520981538","doi-asserted-by":"publisher","DOI":"10.1016\/S0749-8063(97)90007-4"},{"key":"bibr10-0300060520981538","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-010-1199-9"},{"key":"bibr11-0300060520981538","first-page":"493","volume-title":"Arthroscopic surgery. 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