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Updated: May 21, 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

Transperitoneal versus retroperitoneal laparoscopic partial nephrectomy: initial experience.

Volkan Tugcu¹, Alper Bitkin, Erkan Sonmezay

¹Department of Urology, Bakirkoy Dr. Sadi Konuk Training and Research Hospital, Istanbul, Turkey. volkantugcu@yahoo.com

Archivio Italiano Di Urologia, Andrologia : Organo Ufficiale [Di] Societa Italiana Di Ecografia Urologica E Nefrologica

|June 8, 2012

Summary

Comparing laparoscopic partial nephrectomy approaches, the retroperitoneal technique showed shorter operative times and less blood loss than the transperitoneal method. Tumor location should guide the choice of surgical approach for renal tumors.

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Area of Science:

Urology
Minimally Invasive Surgery
Oncology

Background:

Laparoscopic partial nephrectomy (LPN) is a standard treatment for small renal tumors.
Two primary surgical approaches exist: transperitoneal and retroperitoneal.

Purpose of the Study:

To compare the outcomes of transperitoneal laparoscopic partial nephrectomy (TLPN) and retroperitoneal laparoscopic partial nephrectomy (RLPN).

Main Methods:

A retrospective comparison of 23 RLPN and 26 TLPN cases performed between December 2006 and March 2010.
Data analyzed included surgical technique, operative parameters, postoperative recovery, and follow-up.

Main Results:

Patient demographics and tumor size were similar between groups.
RLPN demonstrated significantly shorter operative times (185 vs 215 minutes, p=0.031) and less estimated blood loss (204 vs 254 cc, p=0.003) compared to TLPN.
Warm ischemia time and hospital stay were not significantly different.

Conclusions:

Laparoscopic partial nephrectomy is a safe and feasible option for small exophytic renal tumors.
The choice between transperitoneal and retroperitoneal approaches should be guided by renal tumor location.