Endoscopy 2022; 54(02): 163-169
DOI: 10.1055/a-1380-8899
Innovations and brief communications

Favorable effect of endoscopic reassessment of clinically staged T2 esophageal adenocarcinoma: a multicenter prospective cohort study

1   Department of Gastroenterology and Hepatology, Erasmus MC Cancer Institute, University Medical Center, Rotterdam, The Netherlands
,
1   Department of Gastroenterology and Hepatology, Erasmus MC Cancer Institute, University Medical Center, Rotterdam, The Netherlands
,
Roos E. Pouw
2   Department of Gastroenterology and Hepatology, Cancer Center Amsterdam, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam University Medical Centers, Amsterdam, The Netherlands
,
Thjon J. Tang
3   Department of Gastroenterology and Hepatology, Ijsselland Hospital, Capelle aan den Ijssel, The Netherlands
,
Martin H. M. G. Houben
4   Department of Gastroenterology and Hepatology, Haga Teaching Hospital, Den Haag, The Netherlands
,
Erik J. Schoon
5   Department of Gastroenterology and Hepatology, Catharina Hospital, Eindhoven, The Netherlands
,
Pieter J. F. de Jonge
1   Department of Gastroenterology and Hepatology, Erasmus MC Cancer Institute, University Medical Center, Rotterdam, The Netherlands
,
Marco J. Bruno
1   Department of Gastroenterology and Hepatology, Erasmus MC Cancer Institute, University Medical Center, Rotterdam, The Netherlands
,
Arjun D. Koch
1   Department of Gastroenterology and Hepatology, Erasmus MC Cancer Institute, University Medical Center, Rotterdam, The Netherlands
› Author Affiliations
Trial Registration: Netherlands National Trial Register Registration number (trial ID): NL7181 Type of study: Prospective, Multicenter, Cohort Study

Abstract

Background Clinical tumor stage of esophageal adenocarcinoma (EAC) is determined by endoscopic ultrasound and/or computed tomography scan, which have low accuracy for stages T1 and T2, potentially leading to overtreatment. We aimed to assess the proportion of cT2 EACs downstaged to cT1 after endoscopic reassessment (ERA) by an experienced interventional endoscopist.

Methods We performed a prospective multicenter cohort study. Patients with cT2N0M0 EAC were included and underwent ERA. The primary outcome was proportion of cT2 EACs downstaged to cT1 after ERA.

Results 15/25 included patients (60 %) were downstaged from cT2 to cT1 EAC after ERA and underwent attempted endoscopic resection. Endoscopic resection was aborted in 3/15 patients because of tumor invasion into the muscle layer; all three underwent successful surgical resection. Endoscopic resection was successful in 12/15 patients (80 %), all of whom had pT1 tumors. Overall, 10/25 (40 %) were treated with endoscopic resection alone.

Conclusions ERA downstaged about half of the cT2 tumors to cT1, rendering them suitable for endoscopic resection. ERA had substantial clinical impact on therapeutic management, preventing overtreatment in 40 % of patients.



Publication History

Received: 28 September 2020

Accepted: 02 February 2021

Accepted Manuscript online:
02 February 2021

Article published online:
20 April 2021

© 2021. Thieme. All rights reserved.

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany

 
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