Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2007; all rights reserved.
On the frequency of occurrence of occult carcinoma of the prostrate
Department of Pathology, The Johns Hopkins Medical School, Baltimore, MD, USA.
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For a number of years the writer has been impressed by the frequency with which small carcinomata have been found in the prostate in the routine autopsy material of this Department. It seemed that these small tumours, which had attracted no attention clinically and which were brought to light unexpectedly at autopsy, were being encountered much more often than the usual estimates of the frequency of occurrence of prostatic carcinoma would have led on to expect. Impressions formed from unanalysed material are, of course, often misleading, and it was in the attempt to gain more precise information about the matter that the present study was undertaken. This study makes no pretensions to being an elaborate and complete examination of the question. It represents only a very simple and direct study of a limited amount of readily available material, the nature of which was such as to preclude any detailed analysis
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