Abstract
Pseudoaneurysm of the right hepatic artery is an extremely rare complication of acute cholecystitis. We report a patient with a right hepatic artery pseudoaneurysm associated with acute cholecystitis who was treated successfully by transarterial embolization. We also review the literature on right hepatic artery pseudoaneurysm secondary to acute cholecystitis. A 50-year-old male visited Fujieda General Municipal Hospital with an episode of sudden headache. He was diagnosed with a subarachnoid hemorrhage and treated successfully by microcoil embolization on hospital day 4. On hospital day 54, he developed fever and right upper quadrant tenderness. Abdominal ultrasonography revealed acute cholecystitis, while color Doppler imaging showed a low-echogenic mass with a pulsatile wave pattern inside the gallbladder. Contrast-enhanced computed tomography (CE-CT) demonstrated a pseudoaneurysm in the gallbladder, and angiography disclosed a right hepatic artery pseudoaneurysm. Selective transarterial embolization (TAE) was then performed using a steel coil. Abdominal pain and fever continued after TAE, with CE-CT showing re-bleeding from the previous pseudoaneurysm. Selective angiography identified extravasation at the same place as the previous pseudoaneurysm from the posterior superior pancreaticoduodenal artery and the inferior pancreaticoduodenal artery via the epicholedochal arterial plexus. TAE was performed resulting in successful occlusion of the pseudoaneurysm.
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We thank Dr. Igarashi, Department of Radiology, Fujieda Municipal General Hospital for valuable advice for radiological procedures.
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Conflict of Interest: The authors declare that they have no conflict of interest.
Human/Animal Rights: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008(5).
Informed Consent: Informed consent was obtained from all patients for being included in the study.
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Hangai, S., Ohata, A., Kageoka, M. et al. Successful transarterial embolization for recurrent pseudoaneurysm of the right hepatic artery with acute cholecystitis. Clin J Gastroenterol 7, 164–169 (2014). https://doi.org/10.1007/s12328-013-0450-6
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DOI: https://doi.org/10.1007/s12328-013-0450-6