Pre-percutaneous nephrolithotomy opacification for caliceal diverticular calculi

Brian R. Matlaga, Samuel C. Kim, Stephanie L. Watkins, Larry C. Munch, Brandon W. Chan, James E. Lingeman

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Caliceal diverticula harbor calculi in as many as 50% of cases. Such stones rarely pass spontaneously. Various stone-removal techniques have been used, with percutaneous techniques generally having the best results. In patients with nonradiopaque stones or in whom the diverticulum does not opacify when contrast is instilled retrograde or by intravenous urogram, contrast can be instilled directly into the cavity with CT or ultrasound guidance. Three such cases are described, with good results.

Original languageEnglish (US)
Pages (from-to)175-178
Number of pages4
JournalJournal of Endourology
Issue number3
StatePublished - Mar 1 2006
Externally publishedYes

ASJC Scopus subject areas

  • Urology


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