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Concealed Degloving Injury (the Morel-Lavallée Lesion) in Childhood SportsA Case Report
Oke A. Anakwenze, MD1; Vikas Trivedi, MD, DNB(Ortho), MNAMS(Ortho)2; Arlene M. Goodman, MD2; Theodore J. Ganley, MD2
1 Department of Orthopaedic Surgery, University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104. E-mail address: oanakwenze@gmail.com
2 Division of Orthopaedic Surgery (V.T., A.M.G., and T.J.G.), Department of Pediatrics (A.M.G.), The Children's Hospital of Philadelphia, Philadelphia, PA 19104. E-mail address for T.J. Ganley: GANLEY@email.chop.edu
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Disclosure: None of the authors received payments or services, either directly or indirectly (i.e., via his or her institution), from a third party in support of any aspect of this work. None of the authors, or their institution(s), have had any financial relationship, in the thirty-six months prior to submission of this work, with any entity in the biomedical arena that could be perceived to influence or have the potential to influence what is written in this work. Also, no author has had any other relationships, or has engaged in any other activities, that could be perceived to influence or have the potential to influence what is written in this work. The complete Disclosures of Potential Conflicts of Interest submitted by authors are always provided with the online version of the article.

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Investigation performed at the Division of Orthopaedic Surgery, Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania

Copyright © 2011 by The Journal of Bone and Joint Surgery, Inc.
J Bone Joint Surg Am, 2011 Dec 21;93(24):e148 1-4. doi: 10.2106/JBJS.K.00219
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Extract

Morel-Lavallée lesions (MLLs), described in 1853 by Maurice Morel-Lavallée, are uncommon closed internal degloving injuries in which the subcutaneous tissues are stripped off the fascia with a hematoma and, in some cases, necrotic fat1-4. These lesions are most commonly noted with high-energy pelvic trauma1,3 and can require weeks to resolve. Accurate diagnosis is delayed in up to one-third of patients because of inconsistent clinical presentation and because initial skin bruising can mask the importance of the underlying soft-tissue injury5. These lesions occur less frequently in the knee region; knee MLLs have been reported in professional football players6.
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    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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