ArticleInternational journal of clinical and experimental pathology2022
Intraligamentous synovial osteochondroma of the ligamentum teres: a series of 14 cases.
Article in International journal of clinical and experimental pathology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 1 citations in OpenAlex.
- [Effectiveness of arthroscopic treatment for femoroacetabular impingement syndrome combined with ligamentum teres injury].Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2025Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe ligamentum teres (LT) is covered by synovium. It acts as a stabilizer of the hip and as such it has been compared to the ACL of the knee joint. Pathologic changes occur in the LT with aging and osteoarthritis (OA), including degeneration, occasional chondroid metaplasia, and synovial chondromatosis are well-recognized in the literature. However, there are no reports of intraligamentous synovial osteochondroma occuring in the LT.
methodsWe reviewed the pathology reports of 542 osteoarthritic femoral arthroplasty specimens between January 2016 and December 2018. The LT was examined histologically in 55 cases because it was abnormal on gross examination.
resultsA single synovial osteochondroma, ranging in size from 0.4-1.7 cm in diameter, was present in the body of the LT in 14 cases (9 males; 5 females, aged 34 to 81 years), representing 2.6% of 542 arthroplasty cases. Ten of the osteochondromas had bone marrow fat without hematopoietic elements, 1 had hematopoietic elements, and 3 had no marrow among the bony trabeculae. Radiographically, all cases had moderate to severe osteoarthritis with no mention of an abnormality of LT.
conclusionTo our knowledge, this is the first report of intraligamentous synovial osteochondroma in the LT in osteoarthritis patients undergoing hip arthroplasty. It provides further support for microscopic examination of arthroplasty specimens for histologic abnormalities. Further prospective study is needed to determine if this lesion contributes adversely to the development or progression of osteoarthritis and if it is a reactive or neoplastic process.
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Identifiers
35949810PMC9360587W4290973698What OpenQuestion holds
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