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Hepatic arterial pseudoaneurysm is a rare but potentially fatal condition that requires prompt management. We report a case of hepatic arterial pseudoaneurysm developed after radiofrequency ablation of a hepatocellular carcinoma. The patient was successfully treated with percutaneous absolute ethanol injection under ultrasound guidance. Follow-up studies with ultrasound and computed tomography for 2 years after treatment revealed no evidence of local recurrence of hepatocellular carcinoma and of the pseudoaneurysm.
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http://dx.doi.org/10.1002/jcu.22678 | DOI Listing |
Vasc Specialist Int
September 2025
Department of Surgery, Ibaraki Prefectural Central Hospital and Cancer Center, Kasama, Japan.
Retroperitoneal hemorrhage in patients with vascular Ehlers-Danlos syndrome (vEDS) is uncommon, and its optimal management remains controversial because both surgical and endovascular interventions carry substantial risks. A 36-year-old man with vEDS presented with persistent upper abdominal pain. Computed tomography (CT) revealed a massive retroperitoneal hematoma, approximately 20 cm in size, with a pseudoaneurysm in a mesenteric artery branch but without contrast extravasation.
View Article and Find Full Text PDFJ Vasc Surg Cases Innov Tech
December 2025
Department of Cardiovascular Surgery, Ogaki Municipal Hospital, Ogaki, Japan.
Pancreaticoduodenal artery (PDA) aneurysm is rare. A 79-year-old man with an abdominal aortic aneurysm and celiac artery stenosis caused by median arcuate ligament compression underwent endovascular aneurysm repair. On postoperative day 1, the patient experienced sudden abdominal pain and hypotension.
View Article and Find Full Text PDFInterv Radiol (Higashimatsuyama)
August 2025
Department of Diagnostic and Interventional Radiology, St. Marianna University School of Medicine, Japan.
Endoscopic ultrasonography-guided biliary drainage has been reported as an alternative technique when transpapillary endoscopic biliary drainage fails. This case study describes a case of pseudoaneurysm, one of the complications unique to endoscopic ultrasonography-guided biliary drainage. An 87-year-old woman who underwent endoscopic ultrasonography-guided hepaticojejunostomy with a partially covered metallic stent developed hematochezia.
View Article and Find Full Text PDFInterv Radiol (Higashimatsuyama)
June 2025
Department of Radiological Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan.
A 74-year-old man who had received Bacillus Calmette-Guérin therapy for bladder cancer developed vasovagal syncope. Contrast-enhanced computed tomography showed multiple pseudoaneurysms in the left internal carotid artery, aorta, and right common femoral artery, which were considered to be infected aneurysms. Parent artery occlusion was planned for the left internal carotid artery, but the balloon occlusion test was not possible because of the patient's restlessness; therefore, the patient was treated with a Viabahn stent graft.
View Article and Find Full Text PDFInterv Radiol (Higashimatsuyama)
May 2025
Department of Radiology, Tenri Hospital, Japan.
A 75-year-old man with a history of open surgical repair for a thoracoabdominal aortic aneurysm presented with an aortic pseudoaneurysm at the anastomosis and a celiac artery aneurysm. During endovascular treatment, multiple celiac artery branches were embolized, and an aortic stent graft was placed to cover the aortic anastomosis and celiac artery origin. Four days post-treatment, a computed tomography scan revealed poor enhancement and fluid collection in the pancreatic body and tail, indicating acute ischemic pancreatitis with pancreatic necrosis.
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