How to do an Altemeier perineal rectosigmoidectomy for full‐thickness rectal prolapse

Here, we offer a step‐by‐step description of the technique for an Altemeier perineal rectosigmoidectomy, which is our institution's preferred perineal approach for patients with full‐thickness rectal prolapse. This article is supplemented by a series of high‐quality clinical images that are available in Figs  S1–S11. The principles of this technique are to excise the rectal prolapse and improve structural support of the pelvic floor.