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Related Experiment Video

Updated: Jul 16, 2026

Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma

Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma

Published on: November 22, 2019

Laparoscopic upper-pole nephroureterectomy in infants.

Marcio L Miranda¹, Antonio G Oliveira-Filho, Patricia T Carvalho

¹Division of Genitourinary Surgery, Pediatric Surgery Unit, State University of Campinas, Unicamp, Campinas, Sao Paulo, Brazil. marciomiranda@terra.com.br

International Braz J Urol : Official Journal of the Brazilian Society of Urology

|March 6, 2007

Summary

Laparoscopic upper-pole nephroureterectomy is a safe and effective surgical option for infants, offering a minimally invasive approach with good outcomes. This technique demonstrates low morbidity and short hospital stays, making it a viable treatment for specific pediatric kidney conditions.

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Published on: July 8, 2025

Area of Science:

Pediatric Surgery
Minimally Invasive Urology
Laparoscopic Techniques

Background:

Congenital anomalies of the kidney and urinary tract (CAKUT) are common in infants.
Upper-pole dysgenesis or obstruction may necessitate surgical intervention.
Laparoscopic approaches are increasingly adopted for pediatric urological procedures.

Purpose of the Study:

To report the outcomes of laparoscopic upper-pole nephroureterectomy in infants.
To evaluate the safety and feasibility of this minimally invasive technique in a pediatric population.

Main Methods:

Six infants underwent laparoscopic upper-pole nephroureterectomy via a transperitoneal approach.
Pre- and postoperative evaluations included renal sonography, voiding cystourethrogram, and renal scintigraphy.
Surgical details included port placement, ureteral ligation, and use of electrocautery.

Main Results:

All procedures were completed successfully with no complications.
Mean operative time was 135 minutes.
Hospital stay was short (24-48 hours), with minimal need for postoperative analgesia and rapid resumption of oral feeding. Renal tubular function improved in 50% of cases.

Conclusions:

Laparoscopic partial nephrectomy is a safe and feasible procedure for infants.
Enhanced visualization with laparoscopy facilitates precise dissection.
The technique offers low morbidity and short hospital stays, preserving lower pole function.