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Esophagus

, Volume 13, Issue 2, pp 187–194 | Cite as

Sonographic characteristics of locoregional lymph nodes that can predict the presence of metastatic carcinoma by endoscopic ultrasound-guided fine needle aspiration in patients with carcinomas of the esophagus/gastroesophageal junction

  • Uma KunduEmail author
  • Brian Weston
  • Jeffrey H. Lee
  • Manoop S. Bhutani
  • William A. Ross
  • Wayne Hofstetter
  • Roland L. Bassett
  • Savitri Krishnamurthy
Original Article
  • 86 Downloads

Abstract

Background

Endoscopic ultrasound (EUS) and EUS-guided fine needle aspiration (EUS-FNA) of lymph nodes (LN) are used for preoperative staging of patients with esophageal/gastroesophageal junction (E/GEJ) carcinomas. The recognition of sonographic features of LN can be variable in selecting LN for EUS-FNA. We evaluated the predictive value of sonographic features of LNs that correlate with the presence of metastatic carcinoma by EUS-FNA.

Materials and methods

Patients with GIPB who underwent EUS/EUS-FNA for the preoperative staging of LNs over 29 months were studied. The EUS features including size, shape, borders, and echogenicity along with primary tumor stage were evaluated/correlated with the EUS-FNA result to determine features that predict positive EUS-FNA results.

Results

86 LNs from 74 patients with E/GEJ carcinomas were studied. FNA yielded a positive/suspicious for carcinoma diagnosis in 42 cases and a negative result in 44 cases. The sonographic features of the LNs with and without metastatic carcinoma were average short axis measurement (1.02 vs 0.73), average long axis measurement (1.413 vs 1.348), average long:short axis ratio (1.45 vs 1.2), hypoechoic cortex (97.6 vs 72.8 %), round shape (71.4 vs 29.5 %), and well-circumscribed borders (40.5 vs 31.8 %). The features most strongly predictive of a positive result were short axis (p = 0.006), hypoechoic cortex (p = 0.01), and round shape (p = 0.0005) on univariate analysis. High-primary tumor stage (T3 and T4, p = 0.07 and p = 0.27, respectively) did not predict metastatic carcinoma on EUS-FNA. On multivariate analysis, short axis measurement alone was strongly predictive of a positive EUS-FNA (p = 0.04).

Conclusions

Sonographic features of LNs including size, shape, echogenicity, and border characteristics can be useful in the selection of pertinent LNs for EUS-FNA sampling in preoperative staging of E/GEJ malignancies based on their ability to predict the presence of metastatic carcinoma. While hypoechoic cortex, round shape, and short axis measurement were independent factors that strongly predicted the presence of metastatic carcinoma on EUS-FNA, short axis alone was strongly predictive of metastatic carcinoma on multivariate analysis.

Keywords

Esophageal carcinoma Lymph nodes EUS EUS-FNA 

Notes

Compliance with ethical standards

Ethical Statement

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 of 1964 and later versions. Informed consent or substitute for it was obtained from all patients for being included in the study.

Conflict of interest

The authors Kundu U, Weston B, Lee J H, Bhutani M S, Ross W A, Hofstetter W, Bassett R, and Krishnamurthy S. declare that they have no conflict of interest.

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Copyright information

© The Japan Esophageal Society and Springer Japan 2015

Authors and Affiliations

  • Uma Kundu
    • 1
    Email author
  • Brian Weston
    • 1
  • Jeffrey H. Lee
    • 1
  • Manoop S. Bhutani
    • 1
  • William A. Ross
    • 1
  • Wayne Hofstetter
    • 1
  • Roland L. Bassett
    • 1
  • Savitri Krishnamurthy
    • 1
  1. 1.Departments of Pathology, Gastroenterology and SurgeryThe University of Texas MD Anderson Cancer CenterHoustonUSA

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