title: Retroperitoneal Laparoendoscopic Single-Incision Radical Nephrectomy Without Special Platforms: A Single-Center Initial Experience.
abstract: OBJECTIVE
  To describe the initial experience of retroperitoneal laparoendoscopic single-incision radical nephrectomy (LESI-RN) without special platforms and use of conventional laparoscopic instruments and assess the safety and feasibility of LESI-RN.
  
  
  METHODS
  Twenty patients who underwent LESI-RN were enrolled in this study. A 5-cm arc skin incision was performed at the midpoint between the costal arch and iliac crest on the midaxillary line. Trocars of 10, 5, and 11 mm were placed at the middle, left end, and right end of the arc incision, respectively. Demographic parameters and perioperative data were retrospectively analyzed and compared with the patients who underwent conventional retroperitoneal laparoscopic radical nephrectomy (LRN).
  
  
  RESULTS
  The LESI-RN patients had a significantly lower visual analogue scale (4.4 ± 1.9 versus 5.6 ± 1.4; P = .031) and analgesic requirement (18.5 ± 11.2 versus 28.6 ± 16.1; P = .026) compared with the conventional LRN group. The operation time in the LESI-RN group was longer than that in the conventional LRN group (P = .001). The two procedures were essentially similar in terms of the time to liquid intake and hospital stay after operation (P > .05).
  
  
  CONCLUSIONS
  LESI-RN is a safe and feasible surgical strategy, which combines the common principles of using straight instruments and working triangulation in conventional LRN with advantages of cosmesis and minimal invasiveness in laparoendoscopic single-site surgery. The surgical and oncological efficacy of LESI-RN is similar to that of conventional LRN but with significantly improved control of postoperative pain and cosmetic results.
authors: Department of Urology, Beijing Friendship Hospital, Capital Medical University , Beijing, China .
authors: Lang
authors: L
authors: Feng
authors: Department of Urology, Beijing Friendship Hospital, Capital Medical University , Beijing, China .
authors: Jian
authors: J
authors: Song
authors: Department of Urology, Beijing Friendship Hospital, Capital Medical University , Beijing, China .
authors: Menghua
authors: M
authors: Wu
authors: Department of Urology, Beijing Friendship Hospital, Capital Medical University , Beijing, China .
authors: Ye
authors: Y
authors: Tian
authors: Department of Urology, Beijing Friendship Hospital, Capital Medical University , Beijing, China .
authors: Daoxin
authors: D
authors: Zhang
mesh_terms: D000328:Adult; D000368:Aged; D002292:Carcinoma, Renal Cell / Q000601:surgery*; D005240:Feasibility Studies; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007680:Kidney Neoplasms / Q000601:surgery*; D010535:Laparoscopy / Q000295:instrumentation / Q000379:methods*; D007902:Length of Stay; D008297:Male; D008875:Middle Aged; D009392:Nephrectomy / Q000295:instrumentation / Q000379:methods*; D061646:Operative Time; D012187:Retroperitoneal Space / Q000601:surgery*; D012189:Retrospective Studies; D016896:Treatment Outcome