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The four cases of carcinoma of the kidney reported here illustrate four different pathologic types, which not only have points of interest, but also present certain problems in the matter of diagnosis, the importance of which seems to justify their presentation.
It should be mentioned that though it is an indisputable fact that the cases of hypernephroma far outnumber those of carcinoma, generally considered a rare disease of the kidneys, urologists should be most careful in making a diagnosis, swayed as they may be by preconceptions of the frequency of one disease and the rarity of the other. And what makes it doubly important that a correct diagnosis be established is that with early recognition of malignancy, no matter where it may occur, early surgical treatment will result in a higher percentage of cures.
The importance of hematuria as a symptom of malignant disease in the urinary tract has been
KRETSCHMER HL. CARCINOMA OF THE KIDNEY: REPORT OF FOUR CASES. Arch Surg. 1924;9(2):284–292. doi:10.1001/archsurg.1924.01120080050004
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