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Knee Arthroscopy for the Treatment of Lipoma Arborescens: A Systematic Review of the Literature.
JBJS Rev. 2019 04; 7(4):e8.JR

Abstract

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%.

LEVEL OF EVIDENCE

Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence.

Authors+Show Affiliations

Division of Orthopaedic Surgery, Montreal General Hospital, McGill University Health Centre, Montreal, Quebec, Canada.Division of Orthopaedic Surgery, Montreal General Hospital, McGill University Health Centre, Montreal, Quebec, Canada.Division of Orthopaedic Surgery, Montreal General Hospital, McGill University Health Centre, Montreal, Quebec, Canada. Department of Surgery, Faculty of Medicine, Health Sciences Center, Kuwait University, Kuwait City, Kuwait.Division of Orthopaedic Surgery, Montreal General Hospital, McGill University Health Centre, Montreal, Quebec, Canada.Division of Orthopaedic Surgery, Montreal General Hospital, McGill University Health Centre, Montreal, Quebec, Canada.

Pub Type(s)

Journal Article
Systematic Review

Language

eng

PubMed ID

31021893

Citation

Wang, Casey K., et al. "Knee Arthroscopy for the Treatment of Lipoma Arborescens: a Systematic Review of the Literature." JBJS Reviews, vol. 7, no. 4, 2019, pp. e8.
Wang CK, Alfayez S, Marwan Y, et al. Knee Arthroscopy for the Treatment of Lipoma Arborescens: A Systematic Review of the Literature. JBJS Rev. 2019;7(4):e8.
Wang, C. K., Alfayez, S., Marwan, Y., Martineau, P. A., & Burman, M. (2019). Knee Arthroscopy for the Treatment of Lipoma Arborescens: A Systematic Review of the Literature. JBJS Reviews, 7(4), e8. https://doi.org/10.2106/JBJS.RVW.18.00139
Wang CK, et al. Knee Arthroscopy for the Treatment of Lipoma Arborescens: a Systematic Review of the Literature. JBJS Rev. 2019;7(4):e8. PubMed PMID: 31021893.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Knee Arthroscopy for the Treatment of Lipoma Arborescens: A Systematic Review of the Literature. AU - Wang,Casey K, AU - Alfayez,Saud, AU - Marwan,Yousef, AU - Martineau,Paul A, AU - Burman,Mark, PY - 2019/4/26/pubmed PY - 2020/4/16/medline PY - 2019/4/26/entrez SP - e8 EP - e8 JF - JBJS reviews JO - JBJS Rev VL - 7 IS - 4 N2 - 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%. LEVEL OF EVIDENCE: Therapeutic Level IV. See Instructions for Authors for a complete description of levels of evidence. SN - 2329-9185 UR - https://www.unboundmedicine.com/medline/citation/31021893/Knee_Arthroscopy_for_the_Treatment_of_Lipoma_Arborescens:_A_Systematic_Review_of_the_Literature_ L2 - http://dx.doi.org/10.2106/JBJS.RVW.18.00139 DB - PRIME DP - Unbound Medicine ER -