IgG4-related sclerosing cholangitis mimicking cholangiocarcinoma diagnosed by endoscopic ultrasound-guided fine-needle aspiration

Ryotaro Matsumoto; Shin Miura; Atsushi Kanno; Mio Ikeda; Takanori Sano; Yu Tanaka; Tatsuhide Nabeshima; Seiji Hongou; Tetsuya Takikawa; Shin Hamada; Kiyoshi Kume; Kazuhiro Kikuta; Atsushi Masamune

doi:10.2169/internalmedicine.3905-19

IgG4-related sclerosing cholangitis mimicking cholangiocarcinoma diagnosed by endoscopic ultrasound-guided fine-needle aspiration

Ryotaro Matsumoto, Shin Miura, Atsushi Kanno, Mio Ikeda, Takanori Sano, Yu Tanaka, Tatsuhide Nabeshima, Seiji Hongou, Tetsuya Takikawa, Shin Hamada, Kiyoshi Kume, Kazuhiro Kikuta, Atsushi Masamune

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Abstract

A 58-year-old man was referred for obstructive jaundice. Imaging modalities revealed the presence of multiple pancreatic tumors and the stenosis of the middle common bile duct due to a hypoenhanced localized tumor. The multiple pancreatic tumors were histopathologically diagnosed as autoimmune pancreatitis by endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA). To differentiate between IgG4-related sclerosing cholangitis (IgG4-SC) and cholangiocarcinoma, we diagnosed the biliary tumor as IgG4-SC by EUS-FNA because of insufficient pathological materials obtained in a transpapillary manner. We herein report a case of IgG4-SC diagnosed by EUS-FNA.

Original language	English
Pages (from-to)	945-950
Number of pages	6
Journal	Internal Medicine
Volume	59
Issue number	7
DOIs	https://doi.org/10.2169/internalmedicine.3905-19
Publication status	Published - 2020

Keywords

Fine-needle aspiration
IgG4
IgG4-related diseases
Obstructive jaundice
Pancreatitis
Sclerosing cholangitis

ASJC Scopus subject areas

Internal Medicine

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Matsumoto, R., Miura, S., Kanno, A., Ikeda, M., Sano, T., Tanaka, Y., Nabeshima, T., Hongou, S., Takikawa, T., Hamada, S., Kume, K., Kikuta, K., & Masamune, A. (2020). IgG4-related sclerosing cholangitis mimicking cholangiocarcinoma diagnosed by endoscopic ultrasound-guided fine-needle aspiration. Internal Medicine, 59(7), 945-950. https://doi.org/10.2169/internalmedicine.3905-19

Matsumoto, R, Miura, S, Kanno, A, Ikeda, M, Sano, T, Tanaka, Y, Nabeshima, T, Hongou, S, Takikawa, T , Hamada, S , Kume, K, Kikuta, K & Masamune, A 2020, 'IgG4-related sclerosing cholangitis mimicking cholangiocarcinoma diagnosed by endoscopic ultrasound-guided fine-needle aspiration', Internal Medicine, vol. 59, no. 7, pp. 945-950. https://doi.org/10.2169/internalmedicine.3905-19

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title = "IgG4-related sclerosing cholangitis mimicking cholangiocarcinoma diagnosed by endoscopic ultrasound-guided fine-needle aspiration",

abstract = "A 58-year-old man was referred for obstructive jaundice. Imaging modalities revealed the presence of multiple pancreatic tumors and the stenosis of the middle common bile duct due to a hypoenhanced localized tumor. The multiple pancreatic tumors were histopathologically diagnosed as autoimmune pancreatitis by endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA). To differentiate between IgG4-related sclerosing cholangitis (IgG4-SC) and cholangiocarcinoma, we diagnosed the biliary tumor as IgG4-SC by EUS-FNA because of insufficient pathological materials obtained in a transpapillary manner. We herein report a case of IgG4-SC diagnosed by EUS-FNA.",

keywords = "Fine-needle aspiration, IgG4, IgG4-related diseases, Obstructive jaundice, Pancreatitis, Sclerosing cholangitis",

author = "Ryotaro Matsumoto and Shin Miura and Atsushi Kanno and Mio Ikeda and Takanori Sano and Yu Tanaka and Tatsuhide Nabeshima and Seiji Hongou and Tetsuya Takikawa and Shin Hamada and Kiyoshi Kume and Kazuhiro Kikuta and Atsushi Masamune",

note = "Funding Information: This work was supported by Department of Anatomic Pathology the Tohoku University Graduate School of Medicine. Publisher Copyright: {\textcopyright} The Internal Medicine is an Open Access journal distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. To view the details of this license, please visit (https://creativecommons.org/licenses/by-nc-nd/4.0/).",

year = "2020",

doi = "10.2169/internalmedicine.3905-19",

language = "English",

volume = "59",

pages = "945--950",

journal = "Internal Medicine",

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T1 - IgG4-related sclerosing cholangitis mimicking cholangiocarcinoma diagnosed by endoscopic ultrasound-guided fine-needle aspiration

AU - Matsumoto, Ryotaro

AU - Miura, Shin

AU - Kanno, Atsushi

AU - Ikeda, Mio

AU - Sano, Takanori

AU - Tanaka, Yu

AU - Nabeshima, Tatsuhide

AU - Hongou, Seiji

AU - Takikawa, Tetsuya

AU - Hamada, Shin

AU - Kume, Kiyoshi

AU - Kikuta, Kazuhiro

AU - Masamune, Atsushi

N1 - Funding Information: This work was supported by Department of Anatomic Pathology the Tohoku University Graduate School of Medicine. Publisher Copyright: © The Internal Medicine is an Open Access journal distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. To view the details of this license, please visit (https://creativecommons.org/licenses/by-nc-nd/4.0/).

PY - 2020

Y1 - 2020

N2 - A 58-year-old man was referred for obstructive jaundice. Imaging modalities revealed the presence of multiple pancreatic tumors and the stenosis of the middle common bile duct due to a hypoenhanced localized tumor. The multiple pancreatic tumors were histopathologically diagnosed as autoimmune pancreatitis by endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA). To differentiate between IgG4-related sclerosing cholangitis (IgG4-SC) and cholangiocarcinoma, we diagnosed the biliary tumor as IgG4-SC by EUS-FNA because of insufficient pathological materials obtained in a transpapillary manner. We herein report a case of IgG4-SC diagnosed by EUS-FNA.

AB - A 58-year-old man was referred for obstructive jaundice. Imaging modalities revealed the presence of multiple pancreatic tumors and the stenosis of the middle common bile duct due to a hypoenhanced localized tumor. The multiple pancreatic tumors were histopathologically diagnosed as autoimmune pancreatitis by endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA). To differentiate between IgG4-related sclerosing cholangitis (IgG4-SC) and cholangiocarcinoma, we diagnosed the biliary tumor as IgG4-SC by EUS-FNA because of insufficient pathological materials obtained in a transpapillary manner. We herein report a case of IgG4-SC diagnosed by EUS-FNA.

KW - Fine-needle aspiration

KW - IgG4

KW - IgG4-related diseases

KW - Obstructive jaundice

KW - Pancreatitis

KW - Sclerosing cholangitis

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IgG4-related sclerosing cholangitis mimicking cholangiocarcinoma diagnosed by endoscopic ultrasound-guided fine-needle aspiration

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