PURPOSE OF REVIEW: Recently, several measurement systems have been proposed that allow for objective assessment of kidney tumor location. These include the R.E.N.A.L., P.A.D.U.A, and C-index kidney nephrometry scoring systems. Here, we review these systems in terms of their utility in surgical planning, outcomes prediction, and academic reporting. RECENT FINDINGS: Nephrometry scoring systems allow for methodological and standardized analysis of kidney tumor location. The P.A.D.U.A. and C-index systems have been shown to associate with complication rates after partial nephrectomy. The C-index system has been shown to associate with renal functional outcomes after laparoscopic partial nephrectomy. Several studies are ongoing to assess the clinical utility of these nephrometry scoring systems. SUMMARY: Nephrometry scoring systems are promising new tools that can guide surgical decision-making in nephron-sparing surgery. Preliminary data support that the systems allow for improved academic reporting, complications risk assessment, and functional outcomes prediction.
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