[Retroperitoneal laparoscopic nephrectomy: initial 2 cases].

Two patients with nonfunctioning kidney were treated with retroperitoneal laparoscopic nephrectomy. The working space in the retroperitoneum was created by balloon dissector consisted of surgical glove and rigid nephroscope. The balloon dissector inserted to retroperitoneal space was inflated with 500-600 ml normal saline. After removal of the balloon dissector, 4 trocars were inserted to the retroperitoneal space. In these two cases, the kidney were removed successfully without any complication. The operating time was 165 min and 219 min, respectively.