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  • Title: Shaving for Bowel Endometriosis.
    Author: Chou D, Perera S, Condous G, Cario G, Rosen D, Choi S, Al-Shamari M, Bukhari M.
    Journal: J Minim Invasive Gynecol; 2020 Feb; 27(2):268-269. PubMed ID: 31783162.
    Abstract:
    STUDY OBJECTIVE: To demonstrate laparoscopic shaving of deeply infiltrative endometriosis affecting the rectosigmoid colon, with particular emphasis on the anatomic and technical aspects of the procedure. DESIGN: Stepwise demonstration of the technique with narrated video footage. SETTING: Intestinal involvement in deep endometriosis is estimated to occur in 8% to 12% of patients, with 90% of occurrences being located in the colorectal segment. Deep endometriosis of the rectosigmoid is defined as endometriosis involving the muscular layer of the bowel wall, usually >5 mm deep, thus excluding superficial lesions that only affect the serosal layer. In cases in which medical therapy is unsatisfactory, rectosigmoid deep endometriosis can be surgically managed by 3 recognized surgical techniques: (1) rectal shaving, (2) disc excision, and (3) segmental resection. There are helpful recommendations for different approaches on the basis of the characteristics of the lesion, including the size, length, depth of invasion, involved rectal circumference, and number of lesions, among other factors [1]. Rectal shaving is well suited for smaller lesions, typically <3 cm, and involves "shaving" the lesion in the affected muscular layer of the bowel wall off the mucosa, ideally without entering the bowel lumen. It is associated with lower rates of perioperative complications and lower probability of long-term postoperative bladder and bowel dysfunctions [2]. INTERVENTIONS: This video demonstrates and highlights the anatomic and technical aspects of the following important steps of the rectal shaving procedure: (1) suspension of ovaries; (2) mobilization of the diseased segment of the rectum; (3) shaving of the lesions, with pertinent comments at different stages of nodule excision; (4) checking for the integrity of the bowel wall; and (5) suture of the muscularis defect after excision of the lesions from the muscularis layer of the bowel. CONCLUSION: Compared with other alternatives, shaving for bowel endometriosis is a more conservative procedure with lower rates of perioperative complications, and it is less likely to result in long-term bladder and bowel dysfunctions. Therefore, shaving is preferable and recommended for appropriate lesions.
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