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Laparoscopic nephron-sparing surgery for solid renal masses using the ultrasonic shears.
W J Harmon1, L R Kavoussi, J T Bishoff
1Department of Urology, Wilford Hall United States Air Forces Medical Center, University of Texas Health Sciences Center, San Antonio, Texas, USA.
Urology
|November 9, 2000
Summary
Laparoscopic nephron-sparing surgery (NSS) is a safe and effective treatment for small, solid renal masses. This minimally invasive approach utilizes ultrasonic shears and argon beam coagulation for excellent outcomes.
Area of Science:
- Urology
- Minimally Invasive Surgery
- Oncology
Background:
- Solid renal masses require effective treatment to preserve renal function.
- Nephron-sparing surgery (NSS) is the preferred approach for small renal tumors.
- Laparoscopic techniques offer potential advantages over open surgery.
Purpose of the Study:
- To evaluate the safety and efficacy of laparoscopic nephron-sparing surgery (NSS) for solid renal masses.
- To report our institutional experience with this minimally invasive technique.
Main Methods:
- A retrospective review of 15 patients who underwent laparoscopic NSS between August 1998 and December 1999.
- Utilized transperitoneal or retroperitoneal approaches with ultrasonic shears for parenchymal transection.
- Employed argon beam coagulation and oxidized regenerated cellulose gauze for renal hemostasis.
Main Results:
- Successful laparoscopic NSS in all 15 patients without complications.
- Mean tumor size was 2.3 cm; mean operative time was 170 minutes.
- All final surgical margins were negative for malignancy; mean hospital stay was 2.6 days.
Conclusions:
- Laparoscopic NSS is a safe and effective option for small, solid renal masses.
- The combination of ultrasonic shears and argon beam coagulation provides adequate hemostasis.
- This minimally invasive approach achieves oncologic safety with renal preservation.