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Colorectal Dis ; 14(5): 562-6, 2012 May.
Article in English | MEDLINE | ID: mdl-21831099

ABSTRACT

AIM: Rectal carcinoids are often inadequately resected by snare excision during colonoscopy. Transanal endoscopic microsurgery is a minimally invasive procedure with low morbidity that offers full-thickness excision with a low rate of negative margins. It presents an excellent alternative to radical surgery for mid and proximally located lesions. We report the largest United States (US) experience in the use of transanal endoscopic microsurgery for rectal carcinoids. METHOD: Data of patients who had undergone transanal endoscopic microsurgery for rectal carcinoids were prospectively collected and retrospectively analyzed. Patient and tumour characteristics, operative and perioperative details, as well as oncological outcomes were reviewed. RESULTS: Over a 12-year period, 24 patients underwent transanal endoscopic microsurgery for rectal carcinoids. Of these, six (25%) were primary surgical resections and 18 (75%) were performed after incomplete snare excisions during colonoscopy. Three (17%) patients who underwent full-thickness resection after snare excision had residual tumour on histopathological examination. Negative margins were obtained in all cases. No recurrences were noted. CONCLUSION: Transanal endoscopic microsurgery is effective and safe for the surgical resection of rectal carcinoids<2 cm in diameter, with typical features and located more than 5 cm from the anal verge. Transanal endoscopic microsurgery can be used for primary resection or for resection after incomplete colonoscopic snare excision.


Subject(s)
Carcinoid Tumor/pathology , Carcinoid Tumor/surgery , Microsurgery , Rectal Neoplasms/pathology , Rectal Neoplasms/surgery , Adult , Aged , Aged, 80 and over , Anal Canal , Endoscopy, Gastrointestinal , Female , Follow-Up Studies , Humans , Male , Middle Aged , Neoplasm, Residual , Retrospective Studies , Treatment Outcome , United States
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