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  • Title: Radionuclide joint imaging.
    Author: Esdaile J, Rosenthall L.
    Journal: Compr Ther; 1983 Sep; 9(9):54-63. PubMed ID: 6313284.
    Abstract:
    Radionuclide joint imaging with the technetium-99m-labeled phosphates is a sensitive technique for the detection of inflammatory articular disease, although it is nonspecific as to the cause of the increased uptake and offers poor resolution in comparison to conventional radiography. There does not appear to be any place for the routine use of joint imaging of the peripheral joints, as there is little evidence that it benefits patient management. Scintigraphy is of benefit in the detection of osteomyelitis, Legg-Perthes' disease, and osteonecrosis, where changes may antedate roentgenologic abnormalities. Technetium-99m-phosphates may have an increasing role in the evaluation of knee and hip prosthetic joint loosening and infection, especially regarding the femoral components. Scintigraphy may be useful in excluding synovitis and allaying concern in selected patients with chronic articular pain in whom a conventional diagnostic evaluation is unrewarding. Attempts have been made to use radionuclide joint imaging to quantitate the degree of synovitis present in individual joints, particularly the sacroiliac joints. To date, reliable methods that distinguish normal from abnormal joints have not been established, although this remains an area of potential usefulness and active research. Scintigraphy with 99mTc-phosphates is useful in the detection of spinal fracture and pseudoarthrosis in individuals with ankylosing spondylitis.
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