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Endoscopic submucosal dissection and preoperative assessment with endoscopic ultrasonography for the treatment of rectal carcinoid tumors.
Surg Endosc 2010; 24(6):1413-9SE

Abstract

BACKGROUND

Rectal carcinoid tumors 10 mm in diameter or smaller located within the submucosal layer can be cured by local excision including endoscopic treatment. But complete resection of these tumors with endoscopic polypectomy is difficult. This study aimed to evaluate the usefulness of endoscopic submucosal dissection (ESD) and endoscopic ultrasonography (EUS) for the treatment of rectal carcinoid tumors.

METHODS

In this study, 22 rectal carcinoid tumors in 21 patients were evaluated with EUS and treated using ESD from January 2004 to December 2008.

RESULTS

The mean size of the resected tumors was 6.1 mm (range, 2.0-10 mm) on histopathologic evaluations. When the sizes of the tumors shown by EUS and histopathologic evaluation were compared, the mean values were not significantly different. All the tumors were located within the submucosal layer, and the accuracy of the preoperative depth determination with EUS was 100% (22/22). The mean duration of the ESD procedure was 37 min (range, 20-71 min). The overall rate of en bloc resection with ESD was 100% (22/22). Although postoperative bleeding occurred in two cases (9%), both cases were successfully managed by endoscopic hemostasis. No perforation or recurrence was observed during the mean follow-up period of 30 months (range, 7-66 months).

CONCLUSIONS

Endoscopic submucosal dissection and preoperative assessment with EUS are effective for treating rectal carcinoid tumors and enabling en bloc resection.

Authors+Show Affiliations

Department of Gastroenterology, St Luke's International Hospital, 9-1 Akashi-cho, Chuo-ku, Tokyo, Japan. naoishi@luke.or.jpNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

20033710

Citation

Ishii, Naoki, et al. "Endoscopic Submucosal Dissection and Preoperative Assessment With Endoscopic Ultrasonography for the Treatment of Rectal Carcinoid Tumors." Surgical Endoscopy, vol. 24, no. 6, 2010, pp. 1413-9.
Ishii N, Horiki N, Itoh T, et al. Endoscopic submucosal dissection and preoperative assessment with endoscopic ultrasonography for the treatment of rectal carcinoid tumors. Surg Endosc. 2010;24(6):1413-9.
Ishii, N., Horiki, N., Itoh, T., Maruyama, M., Matsuda, M., Setoyama, T., ... Fujita, Y. (2010). Endoscopic submucosal dissection and preoperative assessment with endoscopic ultrasonography for the treatment of rectal carcinoid tumors. Surgical Endoscopy, 24(6), pp. 1413-9. doi:10.1007/s00464-009-0791-x.
Ishii N, et al. Endoscopic Submucosal Dissection and Preoperative Assessment With Endoscopic Ultrasonography for the Treatment of Rectal Carcinoid Tumors. Surg Endosc. 2010;24(6):1413-9. PubMed PMID: 20033710.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Endoscopic submucosal dissection and preoperative assessment with endoscopic ultrasonography for the treatment of rectal carcinoid tumors. AU - Ishii,Naoki, AU - Horiki,Noriyuki, AU - Itoh,Toshiyuki, AU - Maruyama,Masataka, AU - Matsuda,Michitaka, AU - Setoyama,Takeshi, AU - Suzuki,Shoko, AU - Uchida,Shino, AU - Uemura,Masayo, AU - Iizuka,Yusuke, AU - Fukuda,Katsuyuki, AU - Suzuki,Koyu, AU - Fujita,Yoshiyuki, Y1 - 2009/12/24/ PY - 2009/07/17/received PY - 2009/11/12/accepted PY - 2009/12/25/entrez PY - 2009/12/25/pubmed PY - 2010/10/6/medline SP - 1413 EP - 9 JF - Surgical endoscopy JO - Surg Endosc VL - 24 IS - 6 N2 - BACKGROUND: Rectal carcinoid tumors 10 mm in diameter or smaller located within the submucosal layer can be cured by local excision including endoscopic treatment. But complete resection of these tumors with endoscopic polypectomy is difficult. This study aimed to evaluate the usefulness of endoscopic submucosal dissection (ESD) and endoscopic ultrasonography (EUS) for the treatment of rectal carcinoid tumors. METHODS: In this study, 22 rectal carcinoid tumors in 21 patients were evaluated with EUS and treated using ESD from January 2004 to December 2008. RESULTS: The mean size of the resected tumors was 6.1 mm (range, 2.0-10 mm) on histopathologic evaluations. When the sizes of the tumors shown by EUS and histopathologic evaluation were compared, the mean values were not significantly different. All the tumors were located within the submucosal layer, and the accuracy of the preoperative depth determination with EUS was 100% (22/22). The mean duration of the ESD procedure was 37 min (range, 20-71 min). The overall rate of en bloc resection with ESD was 100% (22/22). Although postoperative bleeding occurred in two cases (9%), both cases were successfully managed by endoscopic hemostasis. No perforation or recurrence was observed during the mean follow-up period of 30 months (range, 7-66 months). CONCLUSIONS: Endoscopic submucosal dissection and preoperative assessment with EUS are effective for treating rectal carcinoid tumors and enabling en bloc resection. SN - 1432-2218 UR - https://www.unboundmedicine.com/medline/citation/20033710/Endoscopic_submucosal_dissection_and_preoperative_assessment_with_endoscopic_ultrasonography_for_the_treatment_of_rectal_carcinoid_tumors_ L2 - https://dx.doi.org/10.1007/s00464-009-0791-x DB - PRIME DP - Unbound Medicine ER -