OBJECTIVES: The outcome of laparoscopic partial nephrectomy using a microwave tissue coagulator for treatment of small @entity703 was studied. @entity1 AND METHODS: From June 1999 to May 2001, eight @entity1 with small @entity703 of less than 5.0cm in diameter (1.0-5.0cm, T1N0M0) underwent retroperitoneoscopic partial nephrectomy. To control bleeding during the partial nephrectomy, the renal parenchyma around the @entity5 was coagulated using a microwave tissue coagulator with a needle of 1.5cm length. The @entity5 was circumscribed within the coagulated area with 8-13 punctures of the coagulation needle, and partial nephrectomy was performed using scissors and @entity162 . RESULTS: All eight @entity1 successfully underwent the procedure retroperitoneoscopically. The average operative time was 295 minutes and the average @entity190 was 129ml. Three @entity1 showed urine leakage from the renal calyces, which was controlled by suturing retroperitoneoscopically. In two @entity1 , the surgical margin was revealed to be positive for @entity1358 by frozen section pathology and additional resection was performed in these individuals. The @entity1 were discharged from the hospital with almost full convalescence on day 10 on average. Within the mean follow-up period of 10.4 months, no recurrence was found when examined with computer tomography (CT) using contrast media. As a complication, one @entity1 experienced a decrease in function of the operated kidney caused by unknown reason. CONCLUSION: Retroperitoneal partial nephrectomy using a microwave tissue coagulator is useful for treatment of small @entity703 located at the peripheral area of the kidney. Bleeding from the renal parenchymal incision site is well controlled without occlusion of the renal artery with additional use of a @entity162 , when necessary. Further experience and long-term follow-up are mandatory however, to establish the usefulness of this technique.

Retroperitoneoscopic partial nephrectomy using microwave coagulation for small XXXX .

@entity1 :: ('9606', 'Species') :: ['patients', 'patient', 'PATIENTS'] @entity162 :: ('MESH:D001714', 'Disease') :: ['bipolar forceps', 'bipolar coagulator'] @entity190 :: ('MESH:D006473', 'Disease') :: ['blood loss'] @entity5 :: ('MESH:D009369', 'Disease') :: ['tumor'] @entity1358 :: ('MESH:D002292', 'Disease') :: ['renal cell carcinoma'] @entity703 :: ('MESH:D007680', 'Disease') :: ['renal tumors']
@entity703 :: (MESH:D007680,Disease) :: ['renal tumors']
