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A rare ring-shaped anomaly of the main pancreatic duct accompanying a branch duct IPMN

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Abstract

The patient was a 74-year-old female. Screening computed tomography for examination of the abdomen showed a cystic mass in the pancreatic body. Close investigation using endoscopic retrograde cholangiopancreatography and magnetic resonance cholangiopancreatography revealed a very rare finding: the main pancreatic duct bifurcated at the pancreatic body, and these two ducts converged at the caudal side. A multilocular cystic mass in the pancreatic body and mucus discharge from the orifice of major papilla were observed. There was no protruded lesion in the main pancreatic duct. No findings suggested apparent malignancy. The patient was diagnosed as having hyperplastic intraductal papillary mucinous neoplasm of branch type showing a ring-shaped pancreatic duct, and was placed under follow-up.

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Authors and Affiliations

  1. Department of Internal Medicine, Kurosawa Hospital, Obihiro, Japan

    Ryushi Shudo, Shuichi Maeda, Haruyasu Yoshizaki, Akihiro Imada, Takafumi Yamashita & Shigeru Kitamori

  2. Department of Endoscopic Diagnostics and Therapeutics, Kurosawa Hospital, Obihiro, Japan

    Ryushi Shudo, Yoko Sato & Mizuho Oniwa

  3. Department of Radiology, Obihiro Kousei Hospital, Obihiro, Japan

    Yukihiko Sato

  4. Department of Gastroenterology, Kurosawa Hospital, 4 chome 1, Odori Minami, Obihiro, Hokkaido, 080-0010, Japan

    Ryushi Shudo

Authors
  1. Ryushi Shudo
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  2. Shuichi Maeda
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  3. Haruyasu Yoshizaki
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  4. Akihiro Imada
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  5. Takafumi Yamashita
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  6. Shigeru Kitamori
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  7. Yoko Sato
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  8. Mizuho Oniwa
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  9. Yukihiko Sato
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Correspondence to Ryushi Shudo.

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Shudo, R., Maeda, S., Yoshizaki, H. et al. A rare ring-shaped anomaly of the main pancreatic duct accompanying a branch duct IPMN. Clin J Gastroenterol 2, 361–364 (2009). https://doi.org/10.1007/s12328-009-0107-7

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  • DOI: https://doi.org/10.1007/s12328-009-0107-7

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