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KMID : 1103720100630060561
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Journal of the Korean Society of Radiology
2010 Volume.63 No. 6 p.561 ~ p.564
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MRI Findings of Synovial Lipoma Arborescens of the Hip: A Case Report
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Park Hee-Jin
Park Sung-Il
Park Chan-Sup
Kim Mi-Seong
Park Noh-Hyuck
Park Jai-Hyung
Yi Sang-Yeop
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Abstract
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Lipoma arborescens is a rare intra-articular lesion consisting of villous lipomatous proliferation of the synovium that tends to occur in the knee joint, especially in the suprapatellar pouch. The lesion has been observed in other locations, including the glenohumeral joint, subdeltoid bursa, hip, and elbow. We report a case of a lipoma arborescens of a unilateral hip joint in a 34-year-old man. MRI and a whole body bone scan were performed. In addition, a surgical synovectomy was performed and microscopic examination of the tumor revealed multiple variable-sized villous masses composed of mature fat tissue and lined by synovial cells which confirmed the diagnosis of lipoma arborescens.
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KEYWORD
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Magnetic Resonance Imaging, Lipoma, Soft Tissue Neoplasms, Hip, Synovial Membrane
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