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Application of Microwave Ablation in Laparoscopic Partial Splenectomy
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Laparoendoscopic single-site surgery for partial nephrectomy without ischemia using a microwave tissue coagulator.

Tetsuo Nozaki1, Akihiko Watanabe, Hideki Fuse

  • 11University of Toyama, Toyama, Japan.

Surgical Innovation
|September 12, 2012
PubMed
Summary

Laparoendoscopic single-site partial nephrectomy (LESSPN) using a microwave tissue coagulator (MTC) is a feasible technique for renal tumor resection. This bloodless approach avoids renal pedicle clamping and results in minimal scarring.

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Area of Science:

  • Minimally Invasive Surgery
  • Urologic Oncology
  • Surgical Technology

Background:

  • Initial experience with laparoendoscopic single-site partial nephrectomy (LESSPN).
  • Utilized a microwave tissue coagulator (MTC) for renal tumor resection.

Purpose of the Study:

  • To evaluate the feasibility of LESSPN using MTC.
  • To assess the safety and efficacy of this novel surgical technique.

Main Methods:

  • Two patients with small, exophytic renal tumors underwent LESSPN.
  • A multichannel port was inserted through a 3-cm incision.
  • A laparoscopic MTC instrument was used for circumferential tumor coagulation before resection without pedicle clamping.

Main Results:

Keywords:
laparoendoscopic single-site surgerymicrowave tissue coagulatorpartial nephrectomyrenal cell carcinoma

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  • Successful procedures without conversion to standard laparoscopy.
  • Operative times were 183 and 160 minutes.
  • Estimated blood loss was <150 mL with a 3-cm wound, resulting in a nearly invisible scar with transumbilical approach.

Conclusions:

  • LESSPN with MTC is a feasible technique for bloodless renal tumor resection.
  • This method avoids renal pedicle clamping.
  • Further clinical studies and follow-up are necessary to confirm the benefits.