Microwave renal tumour ablation at open surgery - 20 November 2011

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This video was taken using a laparoscopic camera and demonstrates the Microsulis Acculis Microwave Tissue Ablation (MTA) system in use during open surgery. The patient had a solitary kidney due nephrectomy for RCC some years before. The remaining kidney developed multiple tumours, a larger tumour in the upper pole and multiple small tumours in the lower pole. We decided to perform an open partial nephrectomy of the upper pole and use ablation for the lower pole. We chose intraoperative ultrasound guided microwave ablation for the multiple small tumours. RFA was an alternative but would have taken much longer and was not practical in this situation.

The tumours measured between 0.5 cm and 2cm. We used 60W power with ablation times between 30 seconds and 120 seconds. The patient was on dialysis for 2 weeks post procedure is now dialysis free. Follow up MRI at 4 weeks has shown no evidence of residual enhancing tumour indicating successful ablation.

Dr Phil Haslam, Consultant Interventional Radiologist, Freeman Hospital, Newcastle upon Tyne.

Mr Naeem Soomro, Consultant Urologist, Freeman Hospital, Newcastle upon Tyne.

Krishna Narahari Specialist Registrar Urology, Freeman Hospital, Newcastle upon Tyne.

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