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Use of perfusional angiosonography in liver transplantation and conservatve management of post‐transplant intra‐hepatie pseudo‐aneurysm

Abstract Hepatic artery pseudo‐aneurysm is a rare but severe complication of liver transplantation, which generally requires immediate surgical or angiographic treatment. The diagnosis is usually made by splanchnic percutaneous angiography. We report a case of an intrahepatic pseudo‐aneurysm after surgical correction of a thrombosed hepatic artery and its successful response to conservative management. Duplex Doppler ultrasound, associated with a new B‐mode contrast‐based sonographic technique, called “perfusional angiosonography”, was used to diagnose the intra‐hepatic pseudo‐aneurysm. The combination of the two ultrasound techniques was useful in following the course of the pseudo‐aneurysm, without further need for angiography. Eventually, this pseudo‐aneurysm underwent spontaneous obliteration.