Preoperative Assessment of Tumor Location and Station-specific Lymph Node Status in Patients with Adenocarcinoma of the Gastroesophageal Junction

Overview

Journal World J Surg

Publisher Wiley

Specialty General Surgery

Date 2012 Sep 28

PMID 23015224

Citations 21

Authors

Brechtje A Grotenhuis

Bas P L Wijnhoven

Jan Werner Poley

John J Hermans

Katharina Biermann

Manon C W Spaander

Marco J Bruno

Hugo W Tilanus

J Jan B van Lanschot

Affiliations

Soon will be listed here.

Abstract

Background: In esophageal cancer patients preoperative staging will determine the type of surgical procedure and use of neoadjuvant therapy. Tumor location and lymph node status play a pivotal role in this tailored strategy. The aim of the present study was to prospectively evaluate the accuracy of preoperative assessment of tumor location according to the Siewert classification and lymph node status per station with endoscopy/endoscopic ultrasound (EUS) and computed tomography (CT).

Methods: In 50 esophagectomy patients with adenocarcinoma of the gastroesophageal junction (GEJ), tumor location according to Siewert and N-stage per nodal station as determined preoperatively by endoscopy/EUS and CT were compared with the histopathologic findings in the resection specimen.

Results: Overall accuracy in predicting tumor location according to the Siewert classification was 70 % for endoscopy/EUS and 72 % for CT. Preoperative data could not be compared with the pathologic assessment in 11 patients (22 %), as large tumors obscured the landmark of the gastric folds. The overall accuracy for predicting the N-stage in 250 lymph node stations was 66 % for EUS and 68 % for CT. The accuracy was good for those stations located high in the thorax, but poor for celiac trunk nodes.

Conclusions: Given the frequent discrepancy between the endoscopic and pathologic location of the GEJ and the common problem of advanced tumors obscuring the landmarks used in the assessment of the Siewert classification, its usefulness is limited. The overall accuracy for EUS and CT in predicting the N-stage per station was moderate.

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