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| Clinical Efficacy of Laparoscopic Microwave Ablation in the Treatment of Small Renal Carcinoma |
| Daqing Oilfield General Hospital，Daqing 163001，China |
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Abstract Objective：To assess the clinical efficacy of laparoscopic microwave ablation（ LMA） in the treatment of small renal carcinoma.Method：From May 2012 to Oct 2014， the LMA was performed for 15 small renal carcinoma. The renal pedicle was not blocked during operation， microwave ablation was carried out for tumors smaller than 3cm，while laparoscopic microwave ablation partial nephrectomy（LMAPN） was performed for tumors 3-4 cm.The operation time， blood loss， changes of Hb， SCr and GFR before and after operation， postoperative hospital stay， complication rates and tumor prognosis of these cases were recorded and analyzed.Result：All cases were operated successfully， no case was converted to laparotomy.There was no significant change of Hb， SCr and GFR after operations（P>0.05）.The operation time was（ 103±15）min， the blood loss was（ 72±25）ml， the postoperative hospital stay was（ 5±2）d. The complication rate was 13.3%（2/15）， with 1 case of fever and 1 case of pain with no case of urine leakage.Patients were followed up for 18.7（6-32）months.Enhanced CT was taken by 1 month，3 month and 6 month after operation，there was no tumor recurrence and death cases. Conclusion：LMA for small renal carcinoma is safe and effective with less bleeding，quick recovery and low complication rate.It is hopefully to become one of an effective way for treating T1 stage renal carcinoma.
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