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Renal arteriography has revolutionized management of mass lesions that were once diagnosed only by surgical exposure. Obvious cysts may often be safely ignored. As a corollary, a definite radiologic diagnosis of tumor allows the surgeon to do a better cancer operation. Dr. Lang is a vigorous advocate of selective renal arteriography, percutaneous needle aspiration of renal masses, and retroperitoneal gas insufflation for differentiating renal cysts from tumors. Perhaps no one is more indefatigable in using fully each technique to make a more certain radiologic diagnosis "with an adequate degree of accuracy to forego surgical exploration once held obligatory in the
The Roentgenographic Diagnosis of Renal Mass Lesions.. Ann Intern Med. 1971;75:334–335. doi: https://doi.org/10.7326/0003-4819-75-2-334_2
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Published: Ann Intern Med. 1971;75(2):334-335.
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