pigmented villonodular synovitis
- pigmented villonodular synovitis
- synovial proliferation forming brown nodular masses, probably caused by hemangiomas of synovial membrane that become traumatized, resulting in synovial hyperplasia and inflammation; it is characterized by episodic monoarticular pain and swelling, with joint locking and hemorrhagic effusions.
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Pigmented villonodular synovitis in a 31-year old woman with lytic lesion in the distal femur and degenerative changes in the knee. (A), MRI showing effusion with intra-articular and intraosseous masses (dark); (B), intraoperative view.
Medical dictionary.
2011.
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Pigmented villonodular synovitis — (PVNS) is a rare, benign condition that affects the synovium of joints, bursae, and tendon sheaths. The etiology, or cause, of this proliferative disorder is unknown. Two forms of the disorder exist: localized and diffuse, the latter being more… … Wikipedia
synovitis — Inflammation of a synovial membrane, especially that of a joint; in general, when unqualified, the same as arthritis. [synovia + G. itis, inflammation] bursal s. SYN: bursitis. chronic hemorrhagic … Medical dictionary
PVNS — pigmented villonodular synovitis … Medical dictionary
PVNS — • pigmented villonodular synovitis … Dictionary of medical acronyms & abbreviations
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