Journal of Gastrointestinal Surgery

, Volume 20, Issue 3, pp 531–538 | Cite as

Predictors of Lymph Node Metastasis in Western Early Gastric Cancer

  • Rima Ahmad
  • Namrata Setia
  • Benjamin H. Schmidt
  • Theodore S. Hong
  • Jennifer Y. Wo
  • Eunice L. Kwak
  • David W. Rattner
  • Gregory Y. Lauwers
  • John T. Mullen
Original Article

Abstract

Background

The application of endoscopic and local resection for early gastric cancer (EGC) is limited by the risk of regional lymph node (LN) metastasis. We sought to determine the incidence and predictors of LN metastasis in a contemporary cohort of Western patients with early gastric cancer.

Methods

Sixty-seven patients with pT1 gastric adenocarcinoma underwent radical surgery without neoadjuvant therapy at our institution between 1995 and 2011, and clinicopathologic factors predicting LN metastasis were analyzed.

Results

LN metastases were present in 15/67 (22 %) pT1 tumors, including 1/23 (4 %) T1a tumors and 14/44 (32 %) T1b tumors. Tumor size, site, degree of differentiation, macroscopic tumor sub-classification, perineural invasion status, and depth of submucosal tumor penetration did not predict LN metastasis. The presence of lymphovascular invasion (LVI) and positive nodal status by endoscopic ultrasound (EUS) were the only factors that predicted LN metastasis on multivariate analysis. T1a tumors without LVI had a 0 % rate of positive LN, whereas T1b tumors with LVI had a 64.3 % rate of positive LN.

Conclusions

EGC limited to the mucosa, without evidence of LVI, and N0 on EUS, may be considered for limited resection. However, any EGC with submucosal invasion, LVI, or positive nodes on EUS should undergo radical resection with lymphadenectomy.

Keywords

Early gastric cancer Lymph node metastasis T1 stage Predictors 

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Copyright information

© The Society for Surgery of the Alimentary Tract 2015

Authors and Affiliations

  • Rima Ahmad
    • 1
  • Namrata Setia
    • 2
  • Benjamin H. Schmidt
    • 1
  • Theodore S. Hong
    • 3
  • Jennifer Y. Wo
    • 3
  • Eunice L. Kwak
    • 4
  • David W. Rattner
    • 1
  • Gregory Y. Lauwers
    • 2
  • John T. Mullen
    • 1
  1. 1.Department of SurgeryMassachusetts General HospitalBostonUSA
  2. 2.Department of PathologyMassachusetts General HospitalBostonUSA
  3. 3.Department of Radiation OncologyMassachusetts General HospitalBostonUSA
  4. 4.Department of Medical OncologyMassachusetts General HospitalBostonUSA

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