Fatal Colonic Explosion During Colonoscopic Polypectomy by mike · Published 2012-08-15 · Updated 2012-08-15 A patient is described who sustained the first reported colonic explosion during colonoscopic polypectomy. Mannitol solution was used for bowel preparation, and the colon was completely clean. During snare removal of a cecal polyp using high-frequency current a loud explosion occurred. In spite of emergency surgery with transfusion of 45 units of blood, uncontrollable hemorrhage persisted from multiple bleeding points, and the patient died. via – I’m glad people are reviewing this problem. Related