PURPOSE: Laparoscopy has gradually gained acceptance for a variety of ablative procedures of the retroperitoneal organs, and the indications are being extended to more complex reconstructive and organ preserving procedures. We report our experience with retroperitoneal laparoscopic partial nephrectomy. MATERIALS AND METHODS: Retroperitoneal laparoscopic partial nephrectomy was performed for benign conditions in 6, equivocal solid masses in 4 and indeterminate cysts in 3 patients. If malignancy was suspected, laparoscopic sonography was used to assess the intrarenal anatomy and the mass. To facilitate parenchymal closure during nephron sparing surgery we used a hemostatic biological glue that consisted of gelatin, resorcinol and formaldehyde. RESULTS: Average operating time was 113 minutes and average blood loss was 72 ml. Histological examination revealed malignancy in 1 of the 3 cystic lesions and 2 of the 4 equivocal solid masses. There were 2 postoperative urinomas. CONCLUSIONS: Partial nephrectomy with retroperitoneal laparoscopy is feasible, and has a reasonable operating time and blood loss. Laparoscopic ultrasound was an important decision making aid during surgery. The use of biological glue simplified hemostasis and closure of the collecting system but good quality drainage of the collecting system is still required to decrease the risk of urinoma. The development of surgical tools that allow bloodless and nontraumatic section of the renal parenchyma is required to facilitate laparoscopic nephron sparing surgery. The ultrasonic scalpel needs further evaluation in this setting.
PURPOSE: Laparoscopy has gradually gained acceptance for a variety of ablative procedures of the retroperitoneal organs, and the indications are being extended to more complex reconstructive and organ preserving procedures. We report our experience with retroperitoneal laparoscopic partial nephrectomy. MATERIALS AND METHODS: Retroperitoneal laparoscopic partial nephrectomy was performed for benign conditions in 6, equivocal solid masses in 4 and indeterminate cysts in 3 patients. If malignancy was suspected, laparoscopic sonography was used to assess the intrarenal anatomy and the mass. To facilitate parenchymal closure during nephron sparing surgery we used a hemostatic biological glue that consisted of gelatin, resorcinol and formaldehyde. RESULTS: Average operating time was 113 minutes and average blood loss was 72 ml. Histological examination revealed malignancy in 1 of the 3 cystic lesions and 2 of the 4 equivocal solid masses. There were 2 postoperative urinomas. CONCLUSIONS: Partial nephrectomy with retroperitoneal laparoscopy is feasible, and has a reasonable operating time and blood loss. Laparoscopic ultrasound was an important decision making aid during surgery. The use of biological glue simplified hemostasis and closure of the collecting system but good quality drainage of the collecting system is still required to decrease the risk of urinoma. The development of surgical tools that allow bloodless and nontraumatic section of the renal parenchyma is required to facilitate laparoscopic nephron sparing surgery. The ultrasonic scalpel needs further evaluation in this setting.
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