The rationale and principles of a logical approach to the radiologic diagnosis of the renal mass are presented. The advantages and limitations of plain roentgenography, intravenous urography, drip infusion pyelography, retrograde pvelography, renal scanning, nephrotomographv, aortography, selective renal arteniography, and percutaneous cyst puncture are discussed. A technique for cyst puncture utilizing image intensification is described.
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Hoffman et al. (1967) studied this question.