Specimen Retrieval in Laparoscopic Colon Surgery

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Abstract
In the past decade, for benign as well as malignant colon diseases, minimally invasive surgery has gained more and more importance in colon surgery. Specimen retrieval after colonic resections is difficult due to the large size of the specimen usually resected. To date there is no standardized retrieval technique for the different procedures. Four incision sites are common for transabdominal specimen retrieval: left or right lower quadrant transrectal portside incision; periumbilical midline incision, and transverse suprapubic incision. Perineal incisions are used for retrieval following low anterior resection or abdomino-perineal extirpation. Three major complications are described in the literature: wound infection (0–9%); hernias (0–2%), and incision site recurrence (0–1.3%). There are no significant differences between the different incision sites with regard to the occurrence of complications. In laparoscopic surgery for malignant diseases retrieval is usually performed using a plastic bag, whereas retrieval can be performed hand-assisted without a bag during surgery for benign diseases. Wound edge protectors are recommended by several authors, yet there is no standard system which is accepted broadly. In conclusion, specimen retrieval in laparoscopic colon surgery is not standardized. The morbidity rate for specific retrieval complications ranges between 0 and 9%, yet there are no randomized controlled studies or evidence-based data regarding different retrieval approaches and systems.

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