Surgical Endoscopy

, Volume 29, Issue 5, pp 1145–1155 | Cite as

Predictors of lymph node metastasis in patients with non-curative endoscopic resection of early gastric cancer

  • Hyo-Joon Yang
  • Sang Gyun Kim
  • Joo Hyun Lim
  • Jeongmin Choi
  • Jong Pil Im
  • Joo Sung Kim
  • Woo Ho Kim
  • Hyun Chae Jung
Article

Abstract

Background

Although surgery is recommend for non-curative endoscopic resection of early gastric cancer (EGC), only a part of patients are found to have lymph node (LN) metastasis. This study aimed to identify the predictors of LN metastasis in patients with non-curative endoscopic resection.

Methods

Between April 2005 and July 2013, consecutive patients who received non-curative endoscopic resection and then underwent gastrectomy with lymphadenectomy or followed at least 1 year with abdominal computed tomography were retrospectively enrolled at a single tertiary hospital. Non-curative resection was defined as a resection beyond the expanded criteria in pathologic mapping. The predictors for LN metastasis were identified by fitting a multivariate logistic regression model.

Results

Among the 1783 consecutive patients who received endoscopic resection of EGC, non-curative resection was performed in 323 (18.1 %) patients. Of these patients, a total of 267 patients were enrolled, and the rate of LN metastasis was 6.7 % (18/267). In multivariate analysis, venous invasion [odds ratio (OR), 7.83; 95 % confidence interval (CI) 2.20–27.86; p = 0.001], sm2 invasion (tumor invasion ≥500 µm into submucosa; OR 4.98; 95 % CI 1.34–18.47; p = 0.016), or antral tumor location (OR 12.65; 95 % CI 1.57–102.00; p = 0.017) were independent predictors for LN metastasis. The rates of LN metastasis were 1.1 % (95 % CI 0–2.7) for patients with one or no predictor and 17.8 % (95 % CI 9.7–25.8) for those with two or more predictors.

Conclusions

Additional gastrectomy with lymphadenectomy after non-curative endoscopic resection of EGC is recommended for the patients with two or more identified predictors. However, close follow-up without immediate surgery might be considered cautiously for those with only one or no predictor.

Keywords

Early gastric cancer Non-curative endoscopic resection Lymph node metastasis Predictor 

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Hyo-Joon Yang
    • 1
  • Sang Gyun Kim
    • 1
  • Joo Hyun Lim
    • 1
  • Jeongmin Choi
    • 1
  • Jong Pil Im
    • 1
  • Joo Sung Kim
    • 1
  • Woo Ho Kim
    • 2
  • Hyun Chae Jung
    • 1
  1. 1.Department of Internal Medicine and Liver Research InstituteSeoul National University College of MedicineSeoulKorea
  2. 2.Department of PathologySeoul National University College of MedicineSeoulKorea

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