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Dig Endosc ; 26(4): 556-63, 2014 Jul.
Article in English | MEDLINE | ID: mdl-24447261

ABSTRACT

BACKGROUND AND AIM: We analyzed the characteristics of gastrointestinal neuroendocrine tumors and examined the outcomes and safety of modalities in rectal neuroendocrine tumors. METHODS: Between 2007 and 2011, a total of 91 patients with gastrointestinal neuroendocrine tumors were retrospectively reviewed in terms of the characteristics of tumors. RESULTS: Sixty-six patients had rectal neuroendocrine tumors and underwent endoscopic mucosal resection (EMR, n = 29), endoscopic submucosal dissection (ESD, n = 23), or transanal endoscopic microsurgery (TEM, n = 14). The complete resection rate was higher in the ESD group (82.7%) and in the TEM group (100%) compared to the EMR group (65.5%) (P < 0.046). The complication rate was higher in the ESD group (47.8%) than in the EMR group (18.5%) (P = 0.003). No local tumor recurrence was observed in all patients, regardless of the procedure, during the median follow-up period of 21.5 ± 13.5 months. CONCLUSIONS: ESD achieved a higher complete resection rate than EMR and comparable to TEM. Tumor recurrence was not observed in the endoscopic resection and TEM groups, regardless of the completeness of resection. Small neuroendocrine tumors of the gastrointestinal tract can be managed reliably with both endoscopic resection and TEM.


Subject(s)
Endoscopy, Gastrointestinal/methods , Intestinal Mucosa/surgery , Neuroendocrine Tumors/surgery , Rectal Neoplasms/surgery , Aged , Dissection/methods , Female , Humans , Intestinal Mucosa/pathology , Male , Microsurgery , Middle Aged , Neuroendocrine Tumors/pathology , Postoperative Complications/epidemiology , Rectal Neoplasms/pathology , Republic of Korea/epidemiology , Treatment Outcome
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