• Kyunghwa Ryu, Seong Sook Hong, Hwajin Cha, Jiyoung Hwang, EunJi Lee, Young Deok Cho, Yun-Woo Chang, and Yong Jae Kim.
• Department of Radiology, Soonchunhyang University Seoul Hospital, Yongsan-gu, Seoul, Korea.
• Rev Assoc Med Bras (1992). 2019 Feb 1; 65 (2): 123-126.

AbstractHemorrhagic pseudocysts with pseudoaneurysms are a rare and fatal complication of chronic pancreatitis due to the erosion of pancreatic to peripancreatic arteries. The timing of the rupture cannot be accurately predicted, but prompt diagnosis and management are essential to prevent further bleeding. We describe the case of a 68-year-old man who presented acute epigastric pain and anemia and had a history of chronic pancreatitis with a pseudocyst. A biliary and pancreas MRI showed an enlarged size of a known pancreatic pseudocyst with internal high signal intensity material. Color-Doppler ultrasonography showed pulsating signals in the pseudocyst, and our final diagnosis was a pseudoaneurysm in the pancreatic hemorrhagic pseudocyst. The pseudoaneurysm was successfully treated with coil embolization of the feeding artery. We report this case of a rare complication of chronic pancreatitis to show that color-Doppler ultrasound is a non-invasive and effective diagnostic tool for pseudoaneurysm, which enables early detection and prompt treatment without the need for invasive diagnostic modalities.

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