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Intra-articular fibroma of tendon sheath of the shoulder joint: synovial fibroma |
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| Authors: | G Hermann B L Hoch D Springfield I F Abdelwahab M J Klein |
| Institution: | (1) Department of Radiology, Mount Sinai Medical Center, New York, New York, USA;(2) Department of Radiology, Box 1234, One Gustave L. Levy Place, New York, NY 10029-6574, USA;(3) Department of Pathology, Mount Sinai Medical Center, New York, New York, USA;(4) Department of Orthopedics, Mount Sinai Medical Center, New York, New York, USA;(5) Department of Radiology, Weill Medical College, Cornell University, Brooklyn Methodist Hospital, Brooklyn, New York, USA;(6) Department of Pathology, University of Alabama, School of Medicine, Birmingham, Alabama, USA |
| Abstract: | The case of a 30-year-old woman with multiple loose bodies in the shoulder joint is presented. The patient complained of discomfort of her right shoulder. Conventional radiographs failed to reveal any abnormality of the shoulder. On MRI numerous loose bodies were detected that resembled synovial chondromatosis. Histologically, the loose bodies were composed of a benign fibroblastic lesion with diagnostic features of fibroma of tendon sheath, each surfaced by synoviocytes. The clinicopathologic features of intra-articular fibroma of tendon sheath are reviewed. We propose using the term “synovial fibroma” for tumors with histopathologic features of fibroma of tendon sheath arising in the synovium of joints. |
| Keywords: | Shoulder Synovium Fibroma MRI |
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