title: Delayed ("blow-out") perforation of sigmoid following diagnostic colonoscopy.
mesh_terms: D012809:Colon, Sigmoid / Q000293:injuries*; D004724:Endoscopy / Q000009:adverse effects*; D005765:Gastrointestinal Agents / Q000627:therapeutic use; D006801:Humans; D007416:Intestinal Perforation / Q000209:etiology* / Q000517:prevention & control; D008297:Male; D008875:Middle Aged; D012812:Sigmoidoscopy / Q000009:adverse effects; D013997:Time Factors
chemical_list: D005765:Gastrointestinal Agents