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Case Rep Orthop. 2012;2012:593193. doi: 10.1155/2012/593193. Epub 2012 Dec 20.

The morel-lavallée lesion as a rare differential diagnosis for recalcitrant bursitis of the knee: case report and literature review.

Case reports in orthopedics

Ivor S Vanhegan, B Dala-Ali, L Verhelst, P Mallucci, Fares S Haddad

Affiliations

  1. Department of Orthopaedics, University College Hospital, 235 Euston Road, London NW1 2BU, UK.

PMID: 23320230 PMCID: PMC3539348 DOI: 10.1155/2012/593193

Abstract

A 72 year-old-male was referred to our institution with recalcitrant prepatellar bursitis. The injury was sustained after striking his right knee against a post whilst horse riding 9 months ago. Previous treatments included repeated aspiration and excision of the bursa with elastic compression bandaging. A diagnosis of a Morel-Lavallée internal degloving injury was made, and the lesion was satisfactorily managed by an internal quilting procedure to eliminate the potential dead space. A review of the literature reveals 29 published reports of Morel-Lavallée lesions with sufficient information for inclusion. These came from 14 separate countries with a total of 204 lesions in 195 patients. The most common anatomical location was the greater trochanter/hip (36%), followed by the thigh (24%) and the pelvis (19%). Most were managed surgically with evacuation of the haematoma and necrotic tissue followed by debridement, which was often repeated (36%). Conservative treatment with percutaneous aspiration and compression bandaging was the next most common treatment (23%). The knee was the fourth most common region affected (16%), and only 3 other lesions in the literature have been managed with a quilting procedure.

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