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The “Doughnut Sign” Indicating Base Appendectomy in Device-Assisted Endoscopic Full-Thickness Resection

Zimmer, Vincent MD1,2; Heinrich, Christoph MD3

American Journal of Gastroenterology: August 2019 - Volume 114 - Issue 8 - p 1192
doi: 10.14309/ajg.0000000000000146

1Department of Medicine, Marienhausklinik St. Josef Kohlhof, Neunkirchen, Germany;

2Department of Medicine II, Saarland University Medical Center, Saarland University Homburg, Germany;

3Institute of Pathology Saarbrücken-Rastpfuhl, Saarbrücken, Germany.

Correspondence: Vincent Zimmer. E-mail:

Received December 10, 2018

Accepted January 02, 2019

Online date: February 1, 2019

© The American College of Gastroenterology 2019. All Rights Reserved.
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