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Related Concept Videos

Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...

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Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma
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Tumor enucleation for small renal masses.

Nicholas A Laryngakis1, Thomas J Guzzo

  • 1Division of Urology, Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.

Current Opinion in Urology
|June 1, 2012
PubMed
Summary

Tumor enucleation offers oncologic outcomes equivalent to partial nephrectomy for select renal masses. This nephron-sparing technique is increasingly accepted for localized renal cell carcinoma, preserving kidney function.

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Area of Science:

  • Urology
  • Oncology
  • Nephrology

Background:

  • Rising incidence of renal cell carcinoma and incidental small renal masses presents management challenges.
  • Radical nephrectomy was traditional, but nephron-sparing surgery is preferred due to risks of renal insufficiency.
  • Partial nephrectomy is the established standard for localized renal masses.

Purpose of the Study:

  • To review the oncologic outcomes of tumor enucleation compared to partial nephrectomy for small renal masses.
  • To assess the safety and efficacy of enucleation in anatomically challenging scenarios.
  • To evaluate the growing acceptance of enucleation as a nephron-sparing surgical option.

Main Methods:

  • Review of existing data comparing partial nephrectomy and tumor enucleation.
  • Analysis of oncologic outcomes, including recurrence and metastasis rates.
  • Evaluation of surgical technique focusing on the plane between pseudocapsule and parenchyma.

Main Results:

  • Partial nephrectomy demonstrates equivalent oncologic outcomes to radical nephrectomy.
  • Tumor enucleation shows equivalent oncologic outcomes to partial nephrectomy.
  • Enucleation is performed by dissecting along the natural plane, sparing renal parenchyma.

Conclusions:

  • Tumor enucleation is a safe and effective alternative for localized renal masses.
  • Acceptance of enucleation is increasing for masses confined by preoperative imaging and intraoperative delineation.
  • Enucleation preserves renal parenchyma and function, offering a valuable nephron-sparing option.