“…However, these cannot be performed as an emergency if the prolapse becomes strangulated or incarcerated [3]. Although Altemeier's procedure has been demonstrated to be useful and effective in the emergency situation, the key steps of the technique need to be modified according to this different clinical scenario [4,5]. In this video (Video S1 in the online Supporting Information) we demonstrate perineal rectosigmoidectomy in an elective and an emergency situation and highlight the main differences in surgical technique.…”