99mTc-pertechnetate uptake measurement in the rabbit knee-joint.

  • 1 January 1981
    • journal article
    • research article
    • Vol. 8  (1) , 31-9
Abstract
We studied 99mTc- pertechnetate (TcO4) uptake measurements in rabbit knee joints. Results in non-inflamed rabbit knee joints indicated that the difference between paired measurements of both knees (R-L difference) was an accurate measure, independent of age and weight. In the early phase of unilateral antigen-induced arthritis, there was a particularly close correlation between R-L difference values and clinical scores of inflammation, reflecting an acute type of inflammation. Data obtained after the early phase of arthritis suggested that R-L difference measurements provide a more sensitive measure of inflammation than clinical scores. 99mTcO4 uptake measurements can reliably be used to detect and quantitate joint inflammation in animals as small as rabbits.

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