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Digestive Diseases and Sciences

, Volume 62, Issue 5, pp 1313–1320 | Cite as

Long-Term Outcome After Endoscopic Submucosal Dissection for Early Gastric Cancer in Non-neoplastic Pathology Results

  • Yong Hwan Kwon
  • Seong Woo JeonEmail author
  • Su Youn Nam
  • Hyun Seok Lee
  • Jeong Shik Kim
  • Ji Young Park
Original Article

Abstract

Background

After endoscopic submucosal dissection (ESD) for early gastric cancer (EGC), negative pathological findings cause concern about the adequacy of the procedure and local recurrence after ESD.

Aim

To investigate the incidence of local recurrence in cases with negative pathological findings after ESD for EGC and pathologically complete resection (CR) during long-term follow-up.

Methods

We reviewed 453 patients who underwent ESD for ECG from January 2007 to December 2010, respectively. Of these patients, in 17 cases the pathology results confirmed no residual tumor (NRT), and in 421 cases they showed CR in the ESD specimen. Finally, 17 NRT and 358 CR cases were followed up during surveillance. Patient characteristics, endoscopic and pathological data were analyzed for risk factors of local recurrence. We also re-evaluated the pathology of the NRT group to identify hidden malignant cells in the previous ESD specimens.

Results

There was no difference between the two groups in terms of recurrence during follow-up surveillance (median 55.7 months). Late local recurrence of EGC was found in two cases (11.8%) in the NRT group, and three early local recurrences (5.6%) were found in the CR group. A review of the pathology in the NRT group revealed hidden malignant cells in five patients (29.4%).

Conclusions

Even when the pathological report indicates NRT after ESD, it might be necessary to re-evaluate ESD specimens with a width <2 mm, and long-term endoscopic surveillance should be routinely used for detecting local EGC recurrence after ESD.

Keywords

Endoscopic submucosal dissection Early gastric cancer No residual tumor Local recurrence 

Notes

Compliance with ethical standards

Conflict of interest

Drs, Yong Hwan Kwon, Seong Woo Jeon, Hyun Seok Lee, Su Youn Nam, Jeong Shik Kim and Ji Young Park have no conflicts of interest or financial ties to disclose.

Ethical standards

All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration. Informed consent or a substitute for it was obtained from all patients for being included in this study.

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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  1. 1.Division of Gastroenterology and Hepatology, Department of Internal Medicine, Gastric Cancer CenterKyungpook National University Medical CenterDaeguSouth Korea
  2. 2.Department of PathologyKyungpook National University Medical CenterDaeguSouth Korea

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