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  • Title: Natural Orifice-Assisted Laparoscopic Meckel Diverticulectomy Incidentally Found During Para-Aortic Mass Resection.
    Author: Menderes G, Dugan K, Klein MJ, Azodi M.
    Journal: J Minim Invasive Gynecol; 2018 Jan; 25(1):19-20. PubMed ID: 28478192.
    Abstract:
    STUDY OBJECTIVE: To show a surgical video in which an incidentally found Meckel diverticulum was resected with a natural orifice-assisted laparoscopic approach during para-aortic resection of a retroperitoneal schwannoma. DESIGN: Case report (Canadian Task Force classification III). SETTING: Tertiary referral center in New Haven, Connecticut. INTERVENTIONS: This is a step-by-step illustration for resection of a retroperitoneal para-aortic schwannoma and of an incidentally found Meckel diverticulum. The patient was a 39-year-old white woman diagnosed with stage IV choriocarcinoma with metastasis to the lungs and left para-aortic area. She received chemotherapy in the form of etoposide, methotrexate, actinomycin-D, cyclophosphamide, oncovine (EMA-CO) and had an excellent clinical response with resolution of all metastatic disease except for the para-aortic mass. Therefore, she was taken to the operating room for laparoscopic resection of the persistent left para-aortic mass. After placement of four 5-mm abdominal ports, the pelvis and abdomen were explored and revealed an incidental Meckel diverticulum as well as the 5 cm left para-aortic mass. The peritoneum overlying the para-aortic mass was incised and the retroperitoneum explored. Given the proximity to the mass, left ureterolysis was performed. The retroperitoneal attachments were resected, and the left para-aortic mass was removed without any complications. At this point attention was turned to the Meckel diverticulum. In order not to extend the abdominal incisions, a posterior colpotomy was performed in the cul-de-sac equidistant from the uterosacral ligaments. Endo-GIA (Covidien, New Haven CT) was introduced through the 10-mm port site at the posterior colpotomy. Meckel diverticulum was resected without narrowing the lumen of the distal ileum. The specimen was removed in a contained manner through posterior colpotomy. MEASUREMENTS AND MAIN RESULTS: The procedure was performed without any complications. The patient had an uneventful postoperative course and was discharged home on postoperative day 0. Pathology revealed a retroperitoneal schwannoma with negative margins and benign Meckel diverticulum without ectopic gastric or pancreatic tissue. The patient has been disease-free since the completion of surgery. CONCLUSION: Laparoscopic resection of the retroperitoneal schwannoma and Meckel diverticulum were successfully performed in this patient with history of stage IV choriocarcinoma. To our knowledge, this is the first report describing a natural orifice-assisted laparoscopic approach for resection of Meckel diverticulum. Natural orifice-assisted laparoscopy should be considered when the surgeon needs to remove a large specimen and/or to introduce >5-mm diameter instruments into the peritoneal cavity without having to extend the abdominal incisions.
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