title: Surgical technique for single-port laparoscopy in huge ovarian tumors: SW Kim's technique and comparison to laparotomy.
abstract: OBJECTIVE
  This study aimed to introduce a method to remove huge ovarian tumors (≥15 cm) intact with single-port laparoscopic surgery (SPLS) using SW Kim's technique and to compare the surgical outcomes with those of laparotomy.
  
  
  METHODS
  Medical records were retrospectively reviewed for patients who underwent either SPLS (n=21) with SW Kim's technique using a specially designed 30×30-cm2-sized 3XL LapBag or laparotomy (n=22) for a huge ovarian tumor from December 2008 to May 2016. Perioperative surgical outcomes were compared.
  
  
  RESULTS
  In 19/21 (90.5%) patients, SPLS was successfully performed without any tumor spillage or conversion to multi-port laparoscopy or laparotomy. There was no significant difference in patient characteristics, including tumor diameter and total operation time, between both groups. The postoperative hospital stay was significantly shorter for the SPLS group than for the laparotomy group (median, 2 [1 to 5] vs. 4 [3 to 17] days;P<0.001). The number of postoperative general diet build-up days was also significantly shorter for the SPLS group (median, 1 [1 to 4] vs. 3 [2 to 16] days;P<0.001). Immediate post-operative pain score was lower in the SPLS group (median, 2.0 [0 to 8] vs. 4.0 [0 to 8];P=0.045). Patient-controlled anesthesia was used less in the SPLS group (61.9% vs. 100%).
  
  
  CONCLUSIONS
  SPLS was successful in removing most large ovarian tumors without rupture and showed quicker recovery and less immediate post-operative pain in comparison to laparotomy. SPLS using SW Kim's technique could be a feasible solution to removing huge ovarian tumors.
authors.affiliation: Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Women's Cancer Center, Yonsei Cancer Center, Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Korea.
authors.forename: Jeong Sook
authors.initials: JS
authors.lastname: Kim
authors.affiliation: Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Women's Cancer Center, Yonsei Cancer Center, Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Korea.
authors.forename: In Ok
authors.initials: IO
authors.lastname: Lee
authors.affiliation: Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Women's Cancer Center, Yonsei Cancer Center, Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Korea.
authors.forename: Kyung Jin
authors.initials: KJ
authors.lastname: Eoh
authors.affiliation: Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Women's Cancer Center, Yonsei Cancer Center, Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Korea.
authors.forename: Young Shin
authors.initials: YS
authors.lastname: Chung
authors.affiliation: Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Women's Cancer Center, Yonsei Cancer Center, Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Korea.
authors.forename: Inha
authors.initials: I
authors.lastname: Lee
authors.affiliation: Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Women's Cancer Center, Yonsei Cancer Center, Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Korea.
authors.forename: Jung-Yun
authors.initials: JY
authors.lastname: Lee
authors.affiliation: Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Women's Cancer Center, Yonsei Cancer Center, Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Korea.
authors.forename: Eun Ji
authors.initials: EJ
authors.lastname: Nam
authors.affiliation: Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Women's Cancer Center, Yonsei Cancer Center, Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Korea.
authors.forename: Sunghoon
authors.initials: S
authors.lastname: Kim
authors.affiliation: Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Women's Cancer Center, Yonsei Cancer Center, Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Korea.
authors.forename: Young Tae
authors.initials: YT
authors.lastname: Kim
authors.affiliation: Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Women's Cancer Center, Yonsei Cancer Center, Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Korea.
authors.forename: Sang Wun
authors.identifier: 0000-0002-8342-8701
authors.initials: SW
authors.lastname: Kim
keywords: Laparoscopy; Ovarian cysts; Single port