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Surg Endosc. 2013 Jul;27(7):2436-45. doi: 10.1007/s00464-012-2755-9. Epub 2013 Jan 26.

Validation of the application of the Japanese curative criteria for superficial adenocarcinoma at the esophagogastric junction treated by endoscopic submucosal dissection: a long-term analysis.

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  • 1Division of Endoscopy, Shizuoka Cancer Center, 1007, Shimonagakubo, Nagaizumi, Suntogun, Shizuoka 411-8777, Japan. k.imai1977@gmail.com

Abstract

BACKGROUND:

A few studies have shown promising results with endoscopic submucosal dissection (ESD) for adenocarcinoma at the esophagogastric junction (EGJAC). However, curative criteria on the histology of EGJAC have not been developed, and long-term clinical results are lacking. The purpose of this study was to validate the application of the Japanese curative criteria to EGJAC after ESD.

METHODS:

Between September 2002 and March 2009, 1,350 superficial gastric neoplasms in 1,181 patients were treated by ESD at a single tertiary cancer center. For this retrospective cohort study, 49 patients with 50 superficial EGJACs were extracted from our database. Complications, en bloc resection rate, curative resection rate, overall survival, and cause-specific survival were evaluated in all patients. For assessment of curability, curative criteria proposed by the Japanese Gastric Cancer Association for early gastric carcinoma after endoscopic resection were used.

RESULTS:

Delayed bleeding and postoperative stenosis each occurred in three (6 %) patients but were managed endoscopically. No other major complications were observed related to ESD. The en bloc resection rate was 98 % (49/50), and the curative resection rate was 72 % (36/50). With a median follow-up period of 47 (range 22-97) months, the overall survival rates and cause-specific survival rates at 5 years were 86.2 % [95 % confidence interval (CI) 76-97] and 100 % (95 % CI 91-100), respectively.

CONCLUSIONS:

Endoscopic submucosal dissection with application of the Japanese curative criteria may be a feasible and effective treatment for curative intent in patients with superficial EGJAC.

[PubMed - indexed for MEDLINE]
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