マイクロ波組織凝固装置を用いた腎癌に対する無阻血腎部分切除術の検討

概要

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We access a usefulness of nephron-sparing surgery with a microwave tissue coagulator (MTC) for renal cell carcinoma (RCC). Selected 11 patients with small RCC who underwent partial nephrectomy using MTC during January 1998 to September 1998 were evaluated ; They were 9 men and 2 women aged 33-73 years. Three patients were indicated as single kidney and 8 were elected indication. Tumors were 1.4-4.0 cm in size, 6 located in the lateral position, 3 in the proximal position, 2 in the renal hilum. All patients were performed partial nephrectomy without clamping renal vessels and preserved renal function without serious complications. There were no significant differences in the operation time and the blood loss between this procedure and the conventional partial nephrectomy. Our results demonstrated that non-ischemic nephron-sparing surgery using MTC was a useful procedure and would apply to laparoscopic surgery.