Lipoma Arborescens as an Unusual Cause of Recurrent Effusion in Knee Osteoarthritis

Checa, Angel; O’Connor, Carolyn R.

doi:10.1097/rhu.0b013e3181d101ec

Cited by 6 publications

(3 citation statements)

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“…Thus, a high index of suspicion for lipoma arborescens is required after ruling out more common diagnoses such as osteoarthritis, rheumatoid arthritis, trauma, and infection. However, it should be noted that those conditions, especially osteoarthritis, have been found to affect a single joint simultaneously with lipoma arborescens 2,5,20 . Therefore, the diagnosis of lipoma arborescens cannot be excluded simply because one of those conditions is already present 2,5,20 .…”

Section: Discussionmentioning

confidence: 99%

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Knee Arthroscopy for the Treatment of Lipoma Arborescens

et al. 2019

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Background: Lipoma arborescens is a rare, intra-articular benign lesion characterized by hyperplastic formation of villous projections that commonly presents as nonspecific mechanical knee pain. The treatment of choice for lipoma arborescens of the knee is open or arthroscopic synovectomy. However, data are lacking on the success of arthroscopic treatment, despite its increasingly widespread use. We aimed to systemically review the outcomes of arthroscopic treatment of lipoma arborescens.Methods: PubMed and Embase were searched by 2 reviewers independently on October 9, 2018, and all relevant articles in the English and French languages up to and including that date were considered. The search terms "lipoma arborescens," "knee," "arthroscopy," and "arthroscopic" were used. Articles were screened on the basis of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement.Results: Among the 110 initial studies that were retrieved, 28 satisfied the inclusion criteria. A total of 71 knees in 65 patients ranging from 13 to 78 years of age underwent arthroscopic synovectomy for the treatment of lipoma arborescens. The duration of follow-up ranged from 3 weeks to 84 months. The recurrence rate was 2.8%, and 2 patients underwent conversion to open surgery. One patient had postoperative hematoma that required evacuation, and another patient reported persistent residual pain at the time of the latest follow-up.Conclusions: On the basis of this uncontrolled, systematic review, arthroscopic synovectomy is a safe and effective treatment for lipoma arborescens of the knee, with a success rate of .95%.

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Section: Discussionmentioning

confidence: 99%

“…However, it should be noted that those conditions, especially osteoarthritis, have been found to affect a single joint simultaneously with lipoma arborescens 2,5,20 . Therefore, the diagnosis of lipoma arborescens cannot be excluded simply because one of those conditions is already present 2,5,20 .…”

Section: Discussionmentioning

confidence: 99%

Knee Arthroscopy for the Treatment of Lipoma Arborescens

et al. 2019

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“…Lipoma arborescens (LA) is a rare benign synovial tumour characterized by the proliferation of mature adipocytes within the synovial cells [ 1 – 5 ]. Clinical manifestations of LA are nonspecific and frequently resemble osteoarthritis, inflammatory arthritis, or infection [ 4 , 6 ]. Monoarticular swelling or pain of insidious onset, intermittent joint effusion episodes or a slowly growing subcutaneous mass are common in patients with LA [ 1 , 7 ].…”

Section: Introductionmentioning

confidence: 99%

Surgical management of upper limb lipoma arborescens: a systematic review

et al. 2022

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Background Lipoma arborescens (LA) is a rare benign synovial tumour characterized by the proliferation of mature adipocytes within the synovial cells. Given its rarity, current evidence is mainly based on case reports and case series, and no guidelines are available. The present study investigated the current surgical management and related outcomes of LA in the upper limb. Methods This systematic review was conducted following the PRISMA guidelines. PubMed, Scopus, and Virtual Health Library were accessed in September 2021. Clinical studies evaluating patients with LA undergoing surgical treatment were considered eligible for this systematic review. Only studies which reported data on LA located in the upper limb with histopathological confirmation were considered. Articles that reported data from nonsurgical management were not considered. Results A total of 21 studies reporting 22 lesions in 21 patients were assessed. The mean age of the patients was 48.48 years (range 22–77). Most studies evaluated the restoration of range of motion and symptom resolution for the functional outcome assessment. Open or arthroscopic excision and synovectomy were the most common surgical procedures for LA. The concomitant lesions were treated in a single-stage procedure. All patients had satisfactory outcomes after open or arthroscopic excision and synovectomy without recurrence at a mean follow-up of 21.14 months (range 2–60). One patient developed postoperative cellulitis (4.55%). Conclusion Open and arthroscopic excision combined with synovectomy should be considered the standard treatment option of upper limb LA. Concomitant pathologies can be addressed in a one-stage procedure. Although LA was recognized as a clinical entity decades ago, there is a lack of evidence based guidelines and long term outcome data are unavailable.

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