Bilateral Knee Lipoma Arborescens Combined with Osteoarthritis in Elderly Patients

Xiao, Jun; Xu, Yu; Wang, J; Feng, Jie; Shi, Zhang

doi:10.1177/147323001103900448

Cited by 15 publications

(11 citation statements)

References 20 publications

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“…An association between LA and OA has been postulated [ 14 , 23 ], but the causal relationship between these two entities has not been fully clarified. It has been suggested that the long-standing synovial thickening effusions caused by repeated mechanical injury to the proliferated villi eventually lead to OA [ 2 ].…”

Section: Discussionmentioning

confidence: 99%

Primary lipoma arborescens of the knee may involve the development of early osteoarthritis if prompt synovectomy is not performed

Natera

Gelber

Erquicia

et al. 2014

J Orthopaed Traumatol

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BackgroundPrimary lipoma arborescens (LA) is a rare, benign intra-articular hyperplastic tumor that has been associated with osteoarthritis (OA). The aim of this study was to determine whether prompt synovectomy could avoid progressive joint degeneration in cases of primary LA of the knee.Materials and methodsA review of currently available literature about the disease was carried out. The clinical, histological and radiological records of a series of nine knees with primary LA diagnosed and treated between 2002 and 2012 were retrospectively reviewed. Eight of the knees had histological confirmation of LA and none had evidence of condropathy on the initial magnetic resonance image or degenerative changes at the initial radiographic examination.ResultsAt the final follow-up no evidence of OA was found in the three knees that underwent synovectomy when symptoms did not last more than 1 year. The five knees in which synovectomy was delayed developed progressive joint degeneration.ConclusionIn this series, primary LA of the knee involved the development of early osteoarthritis when prompt synovectomy was not performed. Timely synovectomy is strongly recommended, if not mandatory.Level of evidenceIV.

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Section: Discussionmentioning

confidence: 99%

Primary lipoma arborescens of the knee may involve the development of early osteoarthritis if prompt synovectomy is not performed

Natera

Gelber

Erquicia

et al. 2014

J Orthopaed Traumatol

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“…Although SL mostly have unilateral involvement, some reports have shown bilateral involvement of the knee. 18,19 In our study, there was no bilateral involvement. In general, SL affects adults in later life, although some cases involving younger patients have been reported.…”

Section: Discussionmentioning

confidence: 41%

Results of Arthroscopic Synovectomy for Treatment of Synovial Lipomatosis (Lipoma Arborescens) of the Knee

Malkoç

Korkmaz

2017

J Knee Surg

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Synovial lipomatosis (SL; lipoma arborescens) is a tumor-like condition with villous proliferation of the synovium. The exact etiology of SL is still unknown. The knee is the most commonly involved part. The goal of this retrospective study was to report the results of arthroscopic synovectomy in patients with SL in their knee joints as well as to emphasize the importance of considering this pathology when treating patients with recurrent knee joint effusions. In total, 21 patients (8 females and 13 males) were evaluated retrospectively from May 2009 to July 2014. The mean follow-up period was 29.13 (range, 12-61) months. The mean duration of compliance was 22.76 (range, 7-61) months. All patients were evaluated by Knee Society score pre- and postoperatively. The mean preoperative and last follow-up Knee Society scores were 67.82 and 88.23 points, respectively. There was a significant difference between the preoperative and postoperative Knee Society scores ( = 0.0001). Histopathological examinations showed that the subsynovial layer exhibited diffuse replacement by mature fat cells that had formed villous projections. In addition, infiltration of mononuclear inflammatory cells was observed at different stages. SL is a nondestructive and benign tumor pathology of the knee joint without a clearly identified etiology. The main difficulty in diagnosis is lack of clinical practice.

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“…Xiao et al had hypothesised that there is synovial proliferation due to inflammation induced by osteoarthritis and subsequently adipose differentiation of the hypertrophied synovium. 11 Al ismail et al 12 and Hubscher et al 13 had also proposed inflammation and mechanical factors in etiopathogenesis of osteoarthritis secondary to lipoma arborescens. Rao et al 14 had proposed that LA could result from inappropriate fat deposition and degenerative disease of the joints.…”

Section: Discussionmentioning

confidence: 99%

Bilateral lipoma arborescens with osteoarthritis knee: Case report and literature review

Farooque

Khatri

et al. 2015

Journal of Clinical Orthopaedics and Trauma

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Bilateral Knee Lipoma Arborescens Combined with Osteoarthritis in Elderly Patients

Cited by 15 publications

References 20 publications

Primary lipoma arborescens of the knee may involve the development of early osteoarthritis if prompt synovectomy is not performed

Primary lipoma arborescens of the knee may involve the development of early osteoarthritis if prompt synovectomy is not performed

Results of Arthroscopic Synovectomy for Treatment of Synovial Lipomatosis (Lipoma Arborescens) of the Knee

Bilateral lipoma arborescens with osteoarthritis knee: Case report and literature review

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