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Authors Murray SE, Sippel RS, Lloyd R, Chen H
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Journal Ann. Surg. Oncol. Volume: 19 Issue: 11 Pages: 3486-90
Publish Date 2012 Oct
PubMed ID 22707111
PMC ID 3443297

The incidence of rectal carcinoids is rapidly increasing, typically presenting as small (<1.0 cm), localized tumors. Although the evaluation of rectal carcinoids on presentation is well standardized, surveillance after resection has not been well established.A prospective database documented patients with rectal carcinoids at our institution between January 1995 and September 2011. Information collected included patient and tumor characteristics, treatment method, surveillance schedule, recurrence, and survival.Twenty-eight patients with rectal carcinoid were identified. Ten patients were excluded for tumors >1 cm, known metastases at presentation, <6 months follow-up, or previous resections. The mean age of the remaining patients was 56 ± 3 years, and 61% of the patients were female. All patients were diagnosed at endoscopy, with 50% diagnosed incidentally on screening endoscopy. Treatment methods included endoscopic therapy (n = 13, 72%), transanal excision (n = 3, 17%), and transanal endoscopic microsurgery (n = 1, 5.5%). One patient (5.5%) received no additional invasive therapy after diagnostic endoscopy. The mean tumor diameter was 4.6 ± 0.5 mm. The average length of follow-up was 5.4 ± 0.9 years, with a median number of 2 follow-up endoscopies (range 0-6). Two patients (11%) died within the follow-up period from noncarcinoid causes. Importantly, no surviving patients developed local or distant recurrence with up to 12.3 years of follow-up.On the basis of this experience, patients presenting with small (≤1.0 cm), nonmetastatic rectal carcinoids are unlikely to develop local or distant recurrence after resection. Aggressive surveillance with repeat endoscopies or other imaging studies after resection may be unnecessary in this patient population.

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