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Hepatic transplantations are being performed with increasing frequency, leading to greater demand for accurate evaluation of related complications. Ultrasonography (US) is the primary screening technique for detection of vascular complications of hepatic transplantation; angiography is used to confirm the US fmdings or when the US study is suboptima!. Hepatic artery thrombosis, the most common (as high as 42% of pediatric cases;

In transplantation candidates, successful 3D CT arteriography was as accurate as angiography in the assessment of hepatic arterial anatomy. It was also safer, more convenient, and more easily tolerated. Conventional CT plus 3D CT arteriography was only 25% as expensive as the cost of conventional CT and conventional angiography.

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