Author(s): Homma Y, Kawabe K, Kitamura T, Nishimura Y, Shinohara M,
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Abstract A retrospective survey of renal cell carcinoma between 1975 and 1993 at eight collaborating institutions was conducted with special reference to the incidental detection and mortality of renal cancer. The analysis demonstrated a recent dramatic increase in the frequency of incidental renal cancer, which now comprises two-thirds of all renal cancers, and a simultaneous recession in non-incidental or suspected renal cancer. Incidental renal cancer has remained unchanged during the last decade as far as patient demographics, occasion and method of detection, and the degree of tumor extension are concerned. On the other hand, the annual number of deaths from renal cancer has significantly decreased, and kidney-sparing surgery has been more frequently performed. These results indicate that incidental renal cancers are now in the majority, and earlier detection may contribute to improving the mortality and morbidity from the disease as a whole.
This article was published in Int J Urol
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