Answers are grounded in this paper and cite their sources.
A modification of the Lawson retrograde nephrostomy technique using the flexible ureteroscope allows a precise puncture of the chosen calix under direct vision. This technique facilitates an assessment of the renal pelvis and infundibula and potentially assures creation of the optimal nephrostomy tract for a given procedure. Our initial experience with three patients is reported.
No takes yet. Share an insight, caveat, or question.
Larry C. Munch (1989) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: