Definition of large bowel obstruction by primary colorectal cancer: A systematic review

Abstract

Approximately 10% of patients with colorectal cancer present with acute large bowel obstruction. Different incidences have been reported [1], as the severity or degree of obstruction varies substantially and may significantly influence clinical decision-making. Complete obstruction may lead to extensive bowel dilatation, even leading to caecal blow-out, which increases the urgency of surgery or placement of a colonic self-expandable metal stent (SEMS).In contrast, incomplete or imminent obstruction may allow for more