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Related Experiment Video

Updated: Jul 1, 2026

Single Port Donor Nephrectomy
07:17

Single Port Donor Nephrectomy

Published on: March 12, 2011

Transumbilical single-port laparoscopic partial nephrectomy.

Monish Aron1, David Canes, Mihir M Desai

  • 1Department of Urology, Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH 44195, USA.

BJU International
|September 10, 2008
PubMed
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Single-port laparoscopic partial nephrectomy (LPN) is feasible for kidney tumors but technically challenging. Further advancements in instrumentation are needed for wider adoption in urological laparoscopy.

Area of Science:

  • Urology
  • Minimally Invasive Surgery
  • Surgical Oncology

Background:

  • Laparoscopic partial nephrectomy (LPN) is a standard treatment for small renal masses.
  • Single-port surgery aims to reduce invasiveness and improve cosmesis.
  • Transumbilical single-port LPN (SPLPN) represents an evolution in minimally invasive renal surgery.

Purpose of the Study:

  • To evaluate the initial clinical experience and feasibility of SPLPN.
  • To assess the technical aspects and outcomes of transumbilical SPLPN for renal tumors.

Main Methods:

  • Five selected patients with renal tumors underwent SPLPN using a single intraumbilical multichannel port.
  • A supplementary 2-mm grasper port was used for retraction and reconstruction.
  • Standard LPN techniques were replicated, including renal hilum clamping.

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Last Updated: Jul 1, 2026

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Main Results:

  • SPLPN was successfully completed in 4 out of 5 patients; one required an additional port.
  • Median tumor size was 3 cm, with a median operating time of 270 minutes.
  • Median warm ischemia time was 20 minutes, with negative surgical margins in all cases.

Conclusions:

  • SPLPN is technically feasible for selected renal tumors.
  • The procedure is more challenging than conventional multiport LPN.
  • Specialized instrumentation is required for broader implementation of SPLPN.