Multiple intrahepatic artery aneurysms during the treatment for IgG4-related sclerosing cholangitis: A case report.

IF 2.5 Q2 GASTROENTEROLOGY & HEPATOLOGY World Journal of Hepatology Pub Date : 2024-12-27 DOI:10.4254/wjh.v16.i12.1505

Hotaka Tamura, Yoshinori Ozono, Keisuke Uchida, Naomi Uchiyama, Hiroshi Hatada, Souichiro Ogawa, Hisayoshi Iwakiri, Hiroshi Kawakami

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Abstract

Background: The purpose of this case report is to describe a case of multiple intrahepatic artery aneurysms during treatment for IgG4-related sclerosing cholangitis (IgG4-SC) and to provide information for daily practice.

Case summary: A 64-year-old Japanese woman was diagnosed with IgG4-SC five years prior and was receiving maintenance treatment with prednisolone 7.5-10 mg/day. She developed abdominal pain and a sudden onset of black stool and was admitted to our hospital. Abdominal contrast-enhanced computed tomography (CT) and ultrasonography (US) revealed multiple intrahepatic artery aneurysms that developed during the treatment for IgG4-SC. Emergency transarterial embolization for multiple hepatic artery aneurysms was performed. Hepatic artery aneurysms disappeared on contrast-enhanced CT and US, the progression of anemia ceased, and the melena resolved. Thus, hemostasis was achieved.

Conclusion: Hepatic artery aneurysms should be considered poor prognostic complications of IgG4-SC.

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