Renal carcinoma.Reevaluation of prognostic factors

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Abstract
The purpose of the study documented in this article was to reevaluate the prognostic value of tumor size, cytologic grading, and histologic pattern in patients with renal carcinoma. One hundred and eighty-six renal carcinomas were histologically graded. In 175 cases clinical follow-up information was obtained. It was found that for 5 years of survival there are essentially two prognostic groups. The first group includes tumors with solid patterns and clear cells, tumors with granular cells without field, and tumors with a papillary pattern or oncocytic cells. This group has a much better prognosis than the second group of tumors, which have either a large number of granular cells with field or a sarcomatoid or stratified pattern. It was also observed that for prognostic evaluation the histologic pattern was a better parameter than size and cytologic grading.