Type 1 Autoimmune Pancreatitis Extending along the Main Pancreatic Duct: IgG4-related Pancreatic Periductitis

We herein report a unique form of autoimmune pancreatitis (AIP) spreading along the main pancreatic duct (MPD). A 70-year-old man was referred for a small lesion at the pancreatic neck, accompanying an adjacent cyst and dilated upstream MPD. Four years earlier, health checkup images had shown a panc...

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Autores principales: Sato, Junya, Matsubayashi, Hiroyuki, Ishiwatari, Hirotoshi, Satoh, Tatsunori, Kaneko, Junichi, Ishikawa, Kazuma, Yoshida, Masao, Takizawa, Kohei, Yabuuchi, Yohei, Kishida, Yoshihiro, Imai, Kenichiro, Hotta, Kinichi, Uesaka, Katsuhiko, Sasaki, Keiko, Ono, Hiroyuki
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Japanese Society of Internal Medicine 2020
Materias:
Case Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7990648/
https://www.ncbi.nlm.nih.gov/pubmed/32999241
http://dx.doi.org/10.2169/internalmedicine.5754-20
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author Sato, Junya
Matsubayashi, Hiroyuki
Ishiwatari, Hirotoshi
Satoh, Tatsunori
Kaneko, Junichi
Ishikawa, Kazuma
Yoshida, Masao
Takizawa, Kohei
Yabuuchi, Yohei
Kishida, Yoshihiro
Imai, Kenichiro
Hotta, Kinichi
Uesaka, Katsuhiko
Sasaki, Keiko
Ono, Hiroyuki
author_facet Sato, Junya
Matsubayashi, Hiroyuki
Ishiwatari, Hirotoshi
Satoh, Tatsunori
Kaneko, Junichi
Ishikawa, Kazuma
Yoshida, Masao
Takizawa, Kohei
Yabuuchi, Yohei
Kishida, Yoshihiro
Imai, Kenichiro
Hotta, Kinichi
Uesaka, Katsuhiko
Sasaki, Keiko
Ono, Hiroyuki
author_sort Sato, Junya
collection PubMed
description We herein report a unique form of autoimmune pancreatitis (AIP) spreading along the main pancreatic duct (MPD). A 70-year-old man was referred for a small lesion at the pancreatic neck, accompanying an adjacent cyst and dilated upstream MPD. Four years earlier, health checkup images had shown a pancreatic cyst but no mass lesion. Endoscopic ultrasonography showed a contrast-enhanced, tumorous lesion, mainly occupying the MPD. With a preoperative diagnosis of ductal neoplasms mainly spreading in the MPD, Whipple's resection was performed. The resected specimens showed MPD periductitis with IgG4-related pathology, indicating type 1 AIP. Clinicians should practice caution concerning the various AIP forms.
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spelling pubmed-79906482021-03-29 Type 1 Autoimmune Pancreatitis Extending along the Main Pancreatic Duct: IgG4-related Pancreatic Periductitis Sato, Junya Matsubayashi, Hiroyuki Ishiwatari, Hirotoshi Satoh, Tatsunori Kaneko, Junichi Ishikawa, Kazuma Yoshida, Masao Takizawa, Kohei Yabuuchi, Yohei Kishida, Yoshihiro Imai, Kenichiro Hotta, Kinichi Uesaka, Katsuhiko Sasaki, Keiko Ono, Hiroyuki Intern Med Case Report We herein report a unique form of autoimmune pancreatitis (AIP) spreading along the main pancreatic duct (MPD). A 70-year-old man was referred for a small lesion at the pancreatic neck, accompanying an adjacent cyst and dilated upstream MPD. Four years earlier, health checkup images had shown a pancreatic cyst but no mass lesion. Endoscopic ultrasonography showed a contrast-enhanced, tumorous lesion, mainly occupying the MPD. With a preoperative diagnosis of ductal neoplasms mainly spreading in the MPD, Whipple's resection was performed. The resected specimens showed MPD periductitis with IgG4-related pathology, indicating type 1 AIP. Clinicians should practice caution concerning the various AIP forms. The Japanese Society of Internal Medicine 2020-09-30 2021-03-01 /pmc/articles/PMC7990648/ /pubmed/32999241 http://dx.doi.org/10.2169/internalmedicine.5754-20 Text en Copyright © 2021 by The Japanese Society of Internal Medicine https://creativecommons.org/licenses/by-nc-nd/4.0/ 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/).
spellingShingle Case Report
Sato, Junya
Matsubayashi, Hiroyuki
Ishiwatari, Hirotoshi
Satoh, Tatsunori
Kaneko, Junichi
Ishikawa, Kazuma
Yoshida, Masao
Takizawa, Kohei
Yabuuchi, Yohei
Kishida, Yoshihiro
Imai, Kenichiro
Hotta, Kinichi
Uesaka, Katsuhiko
Sasaki, Keiko
Ono, Hiroyuki
Type 1 Autoimmune Pancreatitis Extending along the Main Pancreatic Duct: IgG4-related Pancreatic Periductitis
title Type 1 Autoimmune Pancreatitis Extending along the Main Pancreatic Duct: IgG4-related Pancreatic Periductitis
title_full Type 1 Autoimmune Pancreatitis Extending along the Main Pancreatic Duct: IgG4-related Pancreatic Periductitis
title_fullStr Type 1 Autoimmune Pancreatitis Extending along the Main Pancreatic Duct: IgG4-related Pancreatic Periductitis
title_full_unstemmed Type 1 Autoimmune Pancreatitis Extending along the Main Pancreatic Duct: IgG4-related Pancreatic Periductitis
title_short Type 1 Autoimmune Pancreatitis Extending along the Main Pancreatic Duct: IgG4-related Pancreatic Periductitis
title_sort type 1 autoimmune pancreatitis extending along the main pancreatic duct: igg4-related pancreatic periductitis
topic Case Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7990648/
https://www.ncbi.nlm.nih.gov/pubmed/32999241
http://dx.doi.org/10.2169/internalmedicine.5754-20
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