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Arch Surg. 1942;44(2):279-318. doi:10.1001/archsurg.1942.01210200095008.
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No comprehensive clinicoanatomopathologic classification of renal cysts has been published, so far as I have been able to discover. There was formerly much confusion with reference to large solitary serous cyst and polycystic disease of the kidneys, both as to their pathogenesis and as to their clinical manifestations. Especially has there been difficulty in differentiating preoperatively between large serous cyst and hemorrhagic cyst of the kidney and between both of these and neoplastic tumor. Accordingly it seems desirable to present such a classification with a view to promoting a better understanding of these cystic formations, the origin of which has been shrouded in obscurity and the differentiation of which is still attended with so much difficulty. In fact, only since the arrival of modern methods of roentgenographic and urographic examination has it been possible to make a preoperative diagnosis with reasonable assurance and to differentiate large serous cyst of the


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