PubMed · 16246836
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Simon Schalla, Frits Bär, Bas Mochtar, Gabriel Snoep, Sebastiaan C A M Bekkers. 2005-10-24. Left ventricular pseudoaneurysm.. https://doi.org/10.1093/eurheartj%2Fehi528
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Pseudoaneurysm of the carotid artery is a rare complication of deep neck space infection. It carries a high mortality rate even when treated appropriately. We report a case of a pseudoaneurysm of the internal carotid artery in a 2-year-old child who had a neck infection without an associated abscess. The diagnosis was not obvious on MRI but was confirmed by ultrasonography. This was successfully managed by angiographic embolization, followed by antibiotic and anticoagulant treatment. The combination of MRI and ultrasonography, without the use of invasive or radiation techniques, was sufficient for the diagnosis of pseudoaneurysm of the internal carotid artery.
We report a patient whose upper abdominal pain was due to an alcoholic pancreatic pseudocyst with hemorrhage. CT showed a gradually enhancing pancreatic pseudocyst about 6 cm in diameter. It exhibited hyposignal intensity on T2-weighted images and hypersignal intensity on T1-weighted images. Enlargement of the pancreatic pseudocyst was thought to be attributable to hemorrhage into the pancreatic pseudocyst. Angiography revealed a pseudoaneurysm in the anterior superior pancreaticoduodenal (ASPD) artery. Selective transcatheter arterial embolization (TAE) of the ASPD artery stopped the bleeding and his abdominal pain lessened. After 1 month, the diameter of the pseudocyst was reduced to about 3 cm and it showed hypersignal intensity on T2-weighted images and hyposignal intensity on T1-weighted images. TAE was considered to be a minimally invasive, highly effective treatment in this patient with hemorrhage into a pancreatic pseudocyst.