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- Katsuyuki Miyabe, Kenji Notohara, Go Asano, Akihisa Kato, Naruomi Jinno, Makoto Natsume, Yasuki Hori, Michihiro Yoshida, Itaru Naitoh, Ken Tsuboi, Yoichi Matsuo, Hirotaka Ohara, Kazuki Hayashi, and Hiromi Kataoka.
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Sciences, Japan.
- Intern. Med. 2021 Jan 1; 60 (1): 47-52.
AbstractAn 84-year-old man was admitted with epigastralgia. Computed tomography showed contrast-enhanced wall thickness in the cystic duct. An endoscopic examination revealed short irregular stricture in the cystic duct, and per-oral cholangioscopy revealed a reddish papillary tumor at the stricture site. Surgical resection revealed high-grade biliary intraepithelial neoplasia (BilIN) at the stricture site of the cystic duct. To our knowledge, this is the first case of a solitary high-grade BilIN epithelium in the cystic duct detected by per-oral cholangioscopy.
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