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Isolated knee monoarthritis heralding resectable non-small-cell lung cancer. A paraneoplastic syndrome not previously described
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    Is monoarthritis of the knee really a paraneoplastic syndrome?

    Dear Editor,

    This is a response to the article by Cantini et al suggesting that monoarthritis of the knee may herald non small-cell lung cancer. The authors found that 1.7% of patients with monoarthritis of the knee were found to have non-small-cell lung cancer. All of their patients with lungcancer were middle-aged heavy smokers. I would like to point out that a number of studies (1,2) have measured the prevalence of...

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