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Bilateral Lipoma Arborescens of the KneeA Case Report
Frédéric Sailhan, MD1; Patrick Hautefort, MD2; Aurore Coulomb, MD, PhD2; Pierre Mary, MD2; Jean-Paul Damsin, MD, PhD2
1 Department of Orthopaedic Surgery, Hôpital Cochin, University Paris 5, René Descartes, 27 rue du Faubourg Saint-Jacques, Paris 75014, France. E-mail address: dr.sailhan@gmail.com
2 Department of Pediatric Orthopaedic Surgery (P.H., P.M., and J.-P.D.) and Department of Pathology (A.C.), Hôpital Trousseau, University Paris 6, Pierre et Marie Curie, Avenue du Dr. Arnold Netter, Paris 75014, France
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Disclosure: The authors did not receive any outside funding or grants in support of their research for or preparation of this work. Neither they nor a member of their immediate families received payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity.

Investigation performed at Hôpital Trousseau, Paris, France

Copyright © 2011 by The Journal of Bone and Joint Surgery, Inc.
J Bone Joint Surg Am, 2011 Jan 19;93(2):195-198. doi: 10.2106/JBJS.I.01418
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Lipoma arborescens is a rare, benign intra-articular hyperplastic tumor characterized by villous, polypoidal, and lipomatous proliferation of the synovium. The knee is the most commonly affected joint1,2.
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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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