synovitis sic·ca (s k  )n. See dry synovitis. |
synovitis [sin″o-vi´tis]
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.
synovitis
inflammation of a synovial membrane, usually painful, particularly on motion, and characterized by fluctuating swelling, due to effusion in a synovial sac.
dry synovitis
synovitis with little effusion.
granulomatous synovitis
see granulomatous synovitis/arthritis.
infectious avian synovitis
an infectious disease of broiler chickens and young turkeys caused by Mycoplasma synoviae and manifested by acute or chronic exudative synovitis, tenosynovitis or bursitis. The birds are lame, the joints are often swollen and there is difficulty in moving and in maintaining a standing posture.
lymphocytic synovitis
see lymphocytic-plasmacytic synovitis (below).
lymphocytic-plasmacytic synovitis
an immune-mediated inflammatory joint disease seen most often in the stifle of dogs, with signs of joint laxity and instability resembling rupture of the cranial cruciate ligament. The synovial membrane is greatly thickened.
purulent synovitis
synovitis with effusion of pus in a synovial sac.
serous synovitis
synovitis with copious nonpurulent, serous effusion.
synovitis sicca
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.
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