The Arthroscopic Appearance of Lipoma Arborescens of the Knee
JOURNAL OF ARTHROSCOPIC AND REALTED SURGERY 1995
Lipoma arborescens is a rare intra-articular lesion consisting of a villous lipomatous proliferation of the synovial lining. This case report draws attention to the history, physical findings, and arthroscopic appearance of lipoma arborescens, a rare lesion of the synovial lining of the knee. Arthroscopically, the lesion appears as a synovial lesion with numerous fatty-appearing globules and villous projections. In addition, magnetic resonance imaging is a valuable tool to differentiate the lesion from rheumatoid arthritis, pigmented villonodular synovitis, and synovial chondromatosis in those patients who present with a chronic, swollen, and painful joint. Key Words: Lipoma arborescens-Arthroscopy-Villous lipomatous proliferation-Knee.
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Robert LaPrade, MD, PhD
has specialized skills and expertise in diagnosing and treating complicated knee injuries. He has treated athletes at all levels, including Olympic, professional and intercollegiate athletes, and has returned numerous athletes back to full participation after surgeries. Recognized globally for his outstanding and efficient surgical skills and dedication to sports medicine, he has received many research awards, including the OREF Clinic Research Award considered by many a Nobel Prize in orthopedics. Dr. LaPrade is one of the most published investigators
in his field, and many of the surgeries that he has developed are now performed worldwide and recognized as the “gold standard” for the treatment of complex knee injuries.