Synovial osteochondromatosis in the subacromial bursa.


Synovial osteochondromatosis may occur within an otherwise normal synovial joint (primary disease), within a diseased joint (secondary disease), within tendon sheaths, and within extraarticular bursal cavities. Each of these four types of disease can present in one of three progressive morphologic stages in which the intrasynovial proliferations of… (More)