False aneurysm of the pancreaticoduodenal artery complicating therapeutic endoscopic retrograde cholangiopancreatography
A Al-Jeroudi, MD
1
A-M Belli, MB BS, FRCR
2 and
P J Shorvon, MRCP, FRCR
1
1 Department of Radiology, Central Middlesex Hospital, Acton Lane, London NW10 7NS
2 Department of Diagnostic Radiology, St George's Hospital, Blackshaw Road, Tooting, London SW17 0QT, UK

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Figure 1. Enhanced spiral CT during the arterial phase. (a) Pre-endoscopic retrograde cholangiopancreatography (ERCP) through the head of the pancreas. No aneurysm is seen. (b) Post-ERCP, a pseudoaneurysm with layering of contrast medium is seen.
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Figure 2. Selective superior mesenteric angiograms. (a) Pre-embolisation: a pool of contrast medium (arrow) adjacent to the biliary stent lies within an aneurysm arising from the inferior pancreaticoduodenal artery. (b) Post-embolisation: there is no filling of the inferior pancreaticoduodenal artery or aneurysm. A coil is noted within this vessel (arrow).
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Copyright © 2001 by the British Institute of Radiology.