Minimally invasive surgery for pelvic exenteration in primary colorectal cancer

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Journal of the Society of Laparoendoscopic Surgeons


Background: Minimally invasive surgery (MIS) for pelvic exenteration is not a well-established technique. The aim was to assess the safety and feasibility of MIS for pelvic exenteration in locally advanced primary colorectal cancer and to compare the perioperative outcomes with open surgery. Methods: This is a retrospective analysis of patients, who had undergone pelvic exenteration for primary colorectal adenocarcinoma from May 2013 to July 2018. The short-term outcomes like perioperative details and histopatho-logical characteristics were compared between the two groups. Results: MIS was performed in 23 patients and open pelvic exenteration was carried out in 72 patients. The mean operative time was significantly more in the MIS group (640 vs. 432 min, p = 0.00). The intraoperative blood loss (900 vs. 1550 ml, p = 0.00) and the requirement for blood transfusion (170 vs. 250 ml, p = 0.03) was significantly less in the MIS group. The overall morbidity (60% vs. 49%, p = 0.306) was comparable between the two groups. The median length of hospital stay in the MIS group was 11 d, compared to 12 d in the open surgery group, (p = 0.634). The rate of R0 resection (87% vs. 89%, p = 0.668) was comparable between the two groups. Conclusion: MIS is feasible and safe for total pelvic exenteration and posterior exenteration in carefully se-lected locally advanced primary colorectal cancer, when performed by an experienced surgical team in high volume centers. An R0 resection with adequate margin can be achieved with good perioperative outcomes in MIS. Long-term oncological outcomes would require further follow up to confirm.

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