title: Initial experience with robotic-assisted laparoscopic partial cystectomy in urachal diseases.
abstract: OBJECTIVE
  In this study, we report our initial experience with robot-assisted laparoscopic partial cystectomy (RLPC) in urachal diseases.
  
  
  METHODS
  Two men and two women with a mean age of 51.5+/-9.3 years underwent RLPC between June 2009 and December 2009. In each case, a single surgeon using the da Vinci-S robotic system (Intuitive Surgical, Sunnyvale, CA, USA) used a transperitoneal approach with a 0 degrees robotic camera. After careful observation of the intravesical portion of the mass, the mass was excised by use of monopolar scissors circumferentially. The bladder was closed in two layers with watertight running sutures made with 2-0 Vicryl.
  
  
  RESULTS
  The mean operative time was 198 minutes (range, 130-260 minutes), the mean console time was 111 minutes (range, 70-150 minutes), and the mean estimated blood loss was 155 ml. The urethral catheter was removed on postoperative day 7 after a normal cystogram, and the surgical drain was removed on postoperative day 2.5 (range, 2-3 days). The mean hospital stay was 6 days (range, 4-7 days). There were no major complications. The pathology report revealed that one patient had a urachal cystadenoma, two patients had a urachal cyst, and one patient had a patent urachus.
  
  
  CONCLUSIONS
  Our initial experience with RLPC for benign urachal disease is that it is a safe and feasible treatment modality. However, more cases are required to confirm the efficacy of RLPC.
authors.affiliation: Department of Urology, College of Medicine, Hanyang University, Seoul, Korea.
authors.forename: Dae Keun
authors.initials: DK
authors.lastname: Kim
authors.forename: Jae Won
authors.initials: JW
authors.lastname: Lee
authors.forename: Sung Yul
authors.initials: SY
authors.lastname: Park
authors.forename: Yong Tae
authors.initials: YT
authors.lastname: Kim
authors.forename: Hae Young
authors.initials: HY
authors.lastname: Park
authors.forename: Tchun Yong
authors.initials: TY
authors.lastname: Lee