tendinous synovitis

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inflammation of a synovial membrane, usually painful, particularly on motion, and characterized by fluctuating swelling, due to effusion in a synovial sac. It may be caused by rheumatic fever, rheumatoid arthritis, tuberculosis, trauma, gout, or other conditions.
Events involved in the pathogenesis of rheumatoid synovitis progress from left to right. M = macrophage; T = T lymphocyte; B = B lymphocyte; P = plasma cell; IL = interleukin; TNF-α = tumor necrosis factor α; TGF-β = transforming growth factor β; GM-CSF = granulocyte-macrophage colony-stimulating factor; RF = rheumatoid factor; PGE2 = prostaglandin E2; C = complement. From Goldman and Bennett, 2000.
dry synovitis synovitis with little effusion.
purulent synovitis synovitis with effusion of pus in a synovial sac.
serous synovitis synovitis with copious nonpurulent effusion.
synovitis sic´ca dry synovitis.
simple synovitis synovitis with clear or slightly turbid effusion.
tendinous synovitis inflammation of a tendon sheath.
villonodular synovitis proliferation of synovial tissue, especially of the knee joint, composed of synovial villi and fibrous nodules infiltrated by giant cells and macrophages.


Inflammation of a tendon and its enveloping sheath.
[teno- + synovia + G. -itis, inflammation]


Inflammation of a tendon and its enveloping sheath.
Synonym(s): tendinous synovitis, tendosynovitis, tendovaginitis, tenovaginitis.
[teno- + synovia + G. -itis, inflammation]
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