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KMID : 0613320070130010055
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Journal of the Korean Bone and Joint Tumor Soceity
2007 Volume.13 No. 1 p.55 ~ p.59
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Synovial Chondroma Causing Radial Nerve Palsy
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Chun Young-Soo
Kim Joon-Yong
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Abstract
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Synovial chondroma is an uncommon benign lesion characterized by metaplastic cartilage formation within the synovial connective tissue, usually intraarticular, commonly affects the knee, hip and elbow. We would like to present the case of a 65-year-old man suffering from synovial chondroma of the right elbow responsible for radial nerve entrapment neuropathy. This is a case of synovial chondroma of the right elbow in an 65-year-old man presenting with pain and restricted joint
movement of the right elbow, loss of extension and sensation of the right thumb and wrist. Plain radiographs showed narrowing of elbow joint space, bony spur on the edge of the joint, and radio-opaque sclerotic change of subchondral area. MRI revealed 16×12 mm sized round mass on the radial head, homogenous low signal on T1WI, heterogenous high and low signal on T2WI. The patient underwent marginal excision of the mass, compressing the radial nerve. Diagnosis was confirmed by histologic examination.
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KEYWORD
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Elbow, Synovial chondroma, Radial nerve palsy
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