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Title: Resected tumor seeding in stomach wall due to endoscopic ultrasonography-guided fine needle aspiration of pancreatic adenocarcinoma
Authors: Tomonari, Akiko
Katanuma, Akio
Matsumori, Tomoaki
Yamazaki, Hajime  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-9034-4370 (unconfirmed)
Sano, Itsuki
Minami, Ryuki
Sen-yo, Manabu
Ikarashi, Satoshi
Kin, Toshifumi
Yane, Kei
Takahashi, Kuniyuki
Shinohara, Toshiya
Maguchi, Hiroyuki
Author's alias: 松森, 友昭
Keywords: Endoscopic ultrasonography-guided fine needle aspiration
Pancreatic cancer
Tumor seeding
Issue Date: 21-Jul-2015
Publisher: WJG Press
Journal title: World Journal of Gastroenterology
Volume: 21
Issue: 27
Start page: 8458
End page: 8461
Abstract: Endoscopic ultrasonography-guided fine needle aspiration (EUS-FNA) is a useful and relatively safe tool for the diagnosis and staging of pancreatic cancer. However, there have recently been several reports of tumor seeding after EUS-FNA of adenocarcinomas. A 78-year-old man was admitted to our hospital due to upper gastric pain. Examinations revealed a 20 mm mass in the pancreatic body, for which EUS-FNA was performed. The cytology of the lesion was adenocarcinoma, and the stage of the cancer was T3N0M0. The patient underwent surgery with curative intent, followed by adjuvant chemotherapy with S-1. An enlarging gastric submucosal tumor was found on gastroscopy at 28 mo after surgery accompanied by a rising level of CA19-9. Biopsy result was adenocarcinoma, consistent with a pancreatic primary tumor. Tumor seeding after EUS-FNA was strongly suspected. The patient underwent surgical resection of the gastric tumor with curative intent. The pathological result of the resected gastric specimen was adenocarcinoma with a perfectly matched mucin special stain result with the previously resected pancreatic cancer. This is the first case report of tumor seeding after EUS-FNA which was surgically resected and inspected pathologically.
Rights: © The Author(s) 2015. Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/ licenses/by-nc/4.0/
URI: http://hdl.handle.net/2433/218798
DOI(Published Version): 10.3748/wjg.v21.i27.8458
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