• Yuhei Iwasa, Keisuke Iwata, Mitsuru Okuno, Takuji Iwashita, Shinya Uemura, Ryuichi Tezuka, Akihiko Senju, and Masahito Shimizu.
• Department of Gastroenterology, Gifu Municipal Hospital, Japan.
• Intern. Med. 2024 Apr 1; 63 (7): 943948943-948.

AbstractA 60-year-old man with a high IgG4 level was found to have pancreatic tail enlargement on computed tomography (CT), and autoimmune pancreatitis (AIP) was confirmed by a histological diagnosis. He was treated with prednisolone for one year and seven months, at which point his treatment finished. Four months later, however, he had hematemesis from gastric varices. CT showed recurrence of pancreatic tail enlargement with obstruction of the splenic artery and vein and formation of collateral blood vessels to the gastric fornix. Endoscopic injection sclerotherapy was performed, and he underwent splenectomy. This case highlights the importance of paying attention to peripancreatic vascular abnormalities during follow-up of AIP patients.

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