A axial intermediate weighted fast se mr image 5938 31 of a ceramic on polyethylene hip arthroplasty system shows particulate synovitis arrow of low to intermediate signal intensity which is similar to the intensity of skeletal muscle.
Ceramic on ceramic psueodotumor.
Although pseudotumor formation has been reported in ceramic on polyethylene articulations this was in the setting of elevated metal ion levels and ultimately attributed to modular neck wear.
Technically ceramics are those things made from materials which are permanently changed when heated.
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The hip joint is a ball and socket joint meaning the ball that forms the head of the femur bone upper leg bone fits into the socket acetabulum of the pelvic bone and this creates the rotational hip.
Numerous reports exist of pseudotumor and altr reactions in non mom articulations in tha identifying trunnion wear as a source of metal ions 3 23.
Note the dehiscence of the posterior pseudocapsule arrowhead with decompression of synovitis and debris.
Usually they are metal oxides that is compounds of metallic elements and oxygen but many ceramics.
For example clay has chemically bonded water in it which will cause it to slake down disintegrate when a dried clay object is put in water.
Once heated fired to between 660 and 1470 f 350 and 800 c the clay is converted to ceramic and will never dissolve again.
Some elements such as carbon or silicon may be considered ceramics ceramic materials are brittle hard strong in compression and weak in shearing and tension.
A ceramic material is an inorganic non metallic often crystalline oxide nitride or carbide material.
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Even in the presence of confusing or less typical sym.
They withstand chemical erosion that occurs in other materials subjected to acidic or caustic environments.
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Ceramic composition and properties atomic and molecular nature of ceramic materials and their resulting characteristics and performance in industrial applications.
A suspicious area surrounding hardware components usually following arthroplasty should raise awareness to a possible particle related disease.
These devices are made from a variety of synthetic materials such as metal polyethylene plastic and ceramic.
Industrial ceramics are commonly understood to be all industrially used materials that are inorganic nonmetallic solids.
Inflammatory pseudotumor after ceramic on ceramic total hip arthroplasty.
