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01.03.2012 | Ausgabe 3/2012

Surgical Endoscopy 3/2012

Endoscopic submucosal dissection (ESD) for gastrointestinal carcinoid tumors

Zeitschrift:
Surgical Endoscopy > Ausgabe 3/2012
Autoren:
Shoko Suzuki, Naoki Ishii, Masayo Uemura, Gautam A. Deshpande, Michitaka Matsuda, Yusuke Iizuka, Katsuyuki Fukuda, Koyu Suzuki, Yoshiyuki Fujita

Abstract

Background

Gastrointestinal (GI) carcinoid tumors less than 10 mm in diameter and limited to the submucosal layer demonstrate a low frequency of lymph node and distant metastasis; endoscopic submucosal dissection (ESD) has been used to treat these tumors. However, the number of reported sample cases of rectal carcinoid tumors treated with ESD remains insufficient, and the safety and efficacy of ESD for gastric and duodenal carcinoid tumors have not been elucidated to date.

Methods

From January 2004 to March 2011, a series of 42 gastrointestinal carcinoid tumors (37 rectal, 2 gastric, and 3 duodenal) in 41 consecutive patients were treated with ESD. Therapeutic efficacy, complications, and follow-up results were retrospectively evaluated.

Results

Sessile type (type Is) was the most prevalent lesion. Mean procedural time was 41 ± 20 min. The mean sizes of tumors and resected specimens were 5 ± 3 mm and 19 ± 7, respectively. The overall rate of en bloc resection was 100% (42/42). Postoperative bleeding occurred in two rectal cases (5%), which were successfully managed with endoscopic clipping. Perforation occurred in two duodenal cases, which could be conservatively managed with medical treatment after endoscopic clipping, and neither laparoscopy nor emergent surgery was needed. No recurrence was observed during the mean follow-up period of 37 months.

Conclusions

ESD was a safe and effective endoscopic treatment for rectal and gastric carcinoid tumors, although other treatment modalities were desirable for duodenal carcinoid tumors.

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