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World J Gastrointest Endosc. Dec 16, 2013; 5(12): 605-609
Published online Dec 16, 2013. doi: 10.4253/wjge.v5.i12.605
Published online Dec 16, 2013. doi: 10.4253/wjge.v5.i12.605
A case of neuroendocrine tumor G1 with unique histopathological growth progress
Misuzu Hirai, Kenshi Matsumoto, Hiroya Ueyama, Hirohumi Fukushima, Takashi Murakami, Hitoshi Sasaki, Akihito Nagahara, Sumio Watanabe, Department of Gastroenterology, Juntendo University, School of Medicine, Tokyo 113-8421, Japan
Takashi Yao, Department of Human Pathology, Juntendo University, School of Medicine, Tokyo, 113-8421, Japan
Author contributions: Hirai M wrote the manuscript; Matsumoto K, Ueyama H and Nagahara A diagnosed and treated; Fukushima H and Sasaki H performed endoscopic ultrasound; Murakami T and Yao T contributed to the histopathological diagnosis; Watanabe S revised the manuscript; all authors discussed the results and commented on the manuscript; and Watanabe S gave final approval of this article.
Correspondence to: Kenshi Matsumoto, MD, PhD, Department of Gastroenterology, Juntendo University, School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan. kmatumo@juntendo.ac.jp
Telephone: +81-3-38133111 Fax: +81-3-38138862
Received: October 24, 2013
Revised: November 20, 2013
Accepted: December 9, 2013
Published online: December 16, 2013
Processing time: 57 Days and 22.2 Hours
Revised: November 20, 2013
Accepted: December 9, 2013
Published online: December 16, 2013
Processing time: 57 Days and 22.2 Hours
Core Tip
Core tip: Neuroendocrine tumors which infiltrate into the mucosa may develop a polypoid appearance mimicking a primary epithelial process.