CHORUS
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synovial sarcoma
- soft-tissue mass, usually about 1 cm from joint
- amorphous calcifications (33%)
- most common at knee
- bone erosion (wide zone of transition)
- juxta-articular osteoporosis
Cf: pigmented villonodular synovitis (PVS)
Charles E. Kahn, Jr., MD - 2 February 1995
Last updated: 1 October 2013
Copyright © 2013, Charles E. Kahn, Jr.