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Laparoscopic partial nephrectomy with a microwave tissue coagulator for small renal tumor
K Yoshimura1, K Okubo, K Ichioka
1Department of Urology, Kurashiki Central Hospital, Kurashiki, Japan.
Purpose:
Laparoscopic partial nephrectomy is a challenging procedure due to the risk of excessive bleeding. We evaluated the usefulness of a microwave tissue coagulator during laparoscopic partial nephrectomy for small renal tumor.
Materials And Methods:
From January to July 2000, 6 patients with small renal tumors, from 11 to 25 mm. in diameter, underwent laparoscopic partial nephrectomy with a microwave tissue coagulator without renal pedicle clamping. There were 4 patients who underwent the transperitoneal and 2 who underwent the retroperitoneal approaches.
Results:
Mean operating time was 186 minutes (range 131 to 239), and blood loss was minimal. Complications were mild and tolerable, and there was no significant deterioration of renal function.
Conclusions:
Laparoscopic partial nephrectomy with a microwave tissue coagulator is a useful and less invasive method for treatment of select small renal tumors. Long-term followup of patients is warranted to determine the potential for cancer control with this method.
Insights
This study shows that using a microwave tissue coagulator during laparoscopic partial nephrectomy for small renal tumors is a safe and effective minimally invasive treatment. It resulted in minimal blood loss and preserved renal function in patients.
Area of Science:
- Urology
- Minimally Invasive Surgery
- Oncology
Background:
- Laparoscopic partial nephrectomy (LPN) is a complex surgical procedure for small renal tumors.
- Excessive bleeding is a significant risk during LPN, potentially complicating the surgery.
Purpose of the Study:
- To evaluate the efficacy and safety of using a microwave tissue coagulator during LPN for small renal tumors.
- To assess the feasibility of LPN without renal pedicle clamping using this device.
Main Methods:
- Six patients with small renal tumors (11-25 mm) underwent LPN with a microwave tissue coagulator.
- Procedures were performed using either transperitoneal (4 patients) or retroperitoneal (2 patients) approaches.
- Renal pedicle clamping was not employed during the surgery.
Main Results:
- The mean operative time was 186 minutes (range 131-239 minutes).
- Blood loss was minimal, and complications were mild and manageable.
- No significant decline in renal function was observed post-operatively.
Conclusions:
- Laparoscopic partial nephrectomy utilizing a microwave tissue coagulator is a viable and less invasive option for select small renal tumors.
- Further long-term follow-up is necessary to confirm the oncological outcomes and cancer control rates.