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Stent placement followed by preoperative chemotherapy and elective surgery for acute malignant colorectal obstruction: Six cases of report.

BACKGROUND: The self-expandable metal stent is used as a bridge to surgery in the treatment of acute malignant colorectal obstruction (AMCO). However, recent studies have shown inferior long-term outcomes and increased risk of tumor dissemination after stent placement. In addition, the optimal interval between stent placement and surgery is not clear. The aim of the current study was to present a new strategy for AMCO: stent placement followed by preoperative chemotherapy and elective surgery.

CASE SUMMARY: Six patients were diagnosed as acute obstruction. There was one patient with descending cancer, four with sigmoid cancers and one with rectal cancer. The obstructive symptoms of these six patients were relieved within 3 d after stent placement. After receiving two cycles of preoperative chemotherapy, consisting of modified infusional fluorouracil, leucovorin and oxaliplatin [modified FOLFOX6 (mFOLFOX6)], they underwent elective surgery of primary tumor resection. None of the 6 patients received colostomy or colonic lavage during surgery. There was no complication of anastomotic leak, ileus or surgical site infection after surgery. In addition, the patients had low operation time and blood loss, adequate lymph nodes harvest and fast postoperative recovery.

CONCLUSION: The two-cycle mFOLFOX6 preoperative chemotherapy and elective surgery after stent placement is a safe and feasible strategy in the management of AMCO.

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