Introduction Malignant colonic occlusion is traditionally considered a surgical emergency. With the development of endoscopic techniques, metallic stents have emerged to ensure the colonic patency in nonsurgical candidates and, more recently, as a temporary measure until elective resection surgery is possible. Materials and methods The research was conducted in PubMed and collected a total of 46 articles, including cross-references. Results Ideally, intestinal occlusion should be resolved through tumor's primary resection with direct anastomosis. To avoid dehiscence of the anastomosis, tumor's resection may be performed with Hartmann's procedure. Metal stents are an alternative to emergency surgery and show excellent results in reliving colonic obstruction. However, they may have serious complications related to colonic perforation, migration and tumor dissemination. Discussion and conclusion Observational studies and clinical trials show discrepant results. Metal stents are increasingly accepted in palliative care but are not yet recommended as a bridge to curative surgery. Treatment should be individualized, according to surgical risk and the probability of endoscopic complications.
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