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January 1945


Author Affiliations

From the Departments of Urology and Pathology, Sinai Hospital.

Arch Surg. 1945;50(1):46-55. doi:10.1001/archsurg.1945.01230030049006

Aware of recent pessimistic expressions made by various authors concerning the prognosis for malignant renal neoplasms, we undertook this study in order to evaluate our diagnostic methods and also to determine the possible clinical and pathologic factors which influence the prognosis and are conducive to a higher survival rate. We have collated the data on 63 consecutive malignant renal neoplasms. Of the 63, 53 were confirmed by operation and 10 by necropsy. We have omitted data on all benign tumors of the parenchyma, pelvis and capsule.

PATHOLOGY  In reviewing the literature one finds numerous classifications of renal neoplasms, many of which are complicated and presented with lengthy arguments in their support. We have adopted a rather simple classification, which is presented in table 1, and which we feel combines the important histologic features with the anatomic site of origin of these neoplasms.Table 1.—Classification of Sixty-Three Malignant Renal Neoplasms No.

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