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Arthroscopic Treatment for Lipoma Arborescens of the Knee. A Case Report*
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Investigation performed at the Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis
J Bone Joint Surg Am, 1998 Jan 01;80(1):99-103
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Lipoma arborescens is a rare intra-articular condition that can result in painless swelling of a joint10,17. It almost always affects the knee, although there have been case reports of involvement of the wrist, hip, and ankle10,12,15,17. The lesion is a benign hyperplastic process that has been defined as a diffuse collection of fat replacing the subsynovial layer and resulting in the formation of villous projections13,16. We report the case of a patient who was managed with an arthroscopic procedure because of lipoma arborescens involving both knees. To our knowledge, this is the first report of arthroscopic treatment of this condition.
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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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