• Satoru Nonaka, Ichiro Oda, Makomo Makazu, Shin Haruyama, Seiichiro Abe, Haruhisa Suzuki, Shigetaka Yoshinaga, Takeshi Nakajima, Ryoji Kushima, and Yutaka Saito.
• Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan.
• Gastrointest. Endosc. 2013 Jul 1;78(1):63-72.

BackgroundEndoscopic submucosal dissection (ESD) for early gastric cancer (EGC) after surgical gastrectomy is a technically difficult procedure because of the limited working space in the remnant stomach as well as the presence of severe gastric fibrosis and staples under the suture line.ObjectiveWe evaluated clinical results including long-term outcomes to determine the feasibility and effectiveness of ESD for EGC in the remnant stomach of patients after gastrectomy.DesignRetrospective study.SettingNational Cancer Center Hospital, Tokyo, Japan.PatientsWe investigated patients undergoing ESD for EGC in the remnant stomach from 1997 to 2011.Intervention Esd Main Outcome MeasurementsWe examined the patient characteristics, endoscopic findings, technical results, adverse events, and histopathologic results including curability and evaluations of Helicobacter pylori gastritis in addition to the rates of local recurrence, metachronous gastric cancer, overall survival, and cause-specific survival.ResultsA total of 128 consecutive patients with 139 lesions had previously undergone 87 distal (68%), 25 proximal (19.5%) and 16 pylorus-preserving gastrectomies (12.5%). The median period from the original gastrectomy to the subsequent ESD for EGC in the remnant stomach was 5.7 years (range 0.6-51 years), the median tumor size was 13 mm (range 1-60 mm), and the median procedure time was 60 minutes (range 15-310 minutes). There were 131 en bloc resections (94%), with curative resections achieved for 109 lesions (78%); 22 lesions (16%) resulted in non-curative resections, and 8 lesions (6%) had only a horizontal margin positive or had inconclusive results. A total of 118 patients (92%) were assessed as H pylori gastritis-positive, with 7 patients (5%) negative. Adverse events included 2 cases of delayed bleeding (1.4%) and 2 perforations (1.4%), with 1 patient requiring emergency surgery. The 5-year overall and cause-specific survival rates were 87.3% and 100%, respectively, during a median follow-up period of 4.5 years (range 0-13.7 years), with no deaths from EGC in the remnant stomach.LimitationsSingle-center, retrospective study.ConclusionESD for EGC in the remnant stomach of patients after gastrectomy was a feasible and effective therapeutic method and should become the standard treatment in such cases, based on the favorable long-term outcomes.Copyright © 2013 American Society for Gastrointestinal Endoscopy. Published by Mosby, Inc. All rights reserved.

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