Synovial osteochondromatosis in the subacromial bursa mimicking calcific tendinitis: Sonographic diagnosis

초록

Synovial osteochondromatosis is an idiopathic benign metaplasia of the synovial membrane rarely found in an extra-articular bursa. We describe the case of a 55-year-old woman with synovial osteochondromatosis in the subacromial bursa mimicking calcific tendinitis. Plain radiographs showed a radiopaque mass over the middle facet of the greater tuberosity, suggesting calcific tendinitis. Sonography, however, showed a loose body in the subacromial bursa, and no evidence of calcification inside the rotator cuff. (c) 2013 Wiley Periodicals, Inc. J Clin Ultrasound 42:237-240, 2014

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