A Proposed Grading System to Standardize the Description of Renal Papillary Appearance at the Time of Endoscopy in Patients with Nephrolithiasis

Michael S. Borofsky, Jessica E. Paonessa, Andrew Evan, James Williams, Fredric L. Coe, Elaine M. Worcester, James E. Lingeman

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Background and Purpose: The appearance of the renal papillae in patients with nephrolithiasis can be quite variable and can range from entirely healthy to markedly diseased. The implications of such findings remain unknown. One potential reason is the lack of a standardized system to describe such features. We propose a novel grading scale to describe papillary appearance at the time of renal endoscopy. Methods: Comprehensive endoscopic renal assessment and mapping were performed on more than 300 patients with nephrolithiasis. Recurring abnormal papillary characteristics were identified and quantified based on degree of severity. Results: Four unique papillary features were chosen for inclusion in the PPLA scoring system - ductal Plugging, Pitting, Loss of contour, and Amount of Randall's plaque. Unique scores are calculated for individual papillae based on reference examples. Conclusions: The description and study of renal papillary appearance in stone formers have considerable potential as both a clinical and research tool; however, a standardized grading system is necessary before using it for these purposes.

Original languageEnglish (US)
Pages (from-to)122-127
Number of pages6
JournalJournal of Endourology
Volume30
Issue number1
DOIs
StatePublished - Jan 1 2016

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Nephrolithiasis
Endoscopy
Kidney
Research

ASJC Scopus subject areas

  • Urology

Cite this

A Proposed Grading System to Standardize the Description of Renal Papillary Appearance at the Time of Endoscopy in Patients with Nephrolithiasis. / Borofsky, Michael S.; Paonessa, Jessica E.; Evan, Andrew; Williams, James; Coe, Fredric L.; Worcester, Elaine M.; Lingeman, James E.

In: Journal of Endourology, Vol. 30, No. 1, 01.01.2016, p. 122-127.

Research output: Contribution to journalArticle

Borofsky, Michael S. ; Paonessa, Jessica E. ; Evan, Andrew ; Williams, James ; Coe, Fredric L. ; Worcester, Elaine M. ; Lingeman, James E. / A Proposed Grading System to Standardize the Description of Renal Papillary Appearance at the Time of Endoscopy in Patients with Nephrolithiasis. In: Journal of Endourology. 2016 ; Vol. 30, No. 1. pp. 122-127.
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