PMID: 9525751Apr 3, 1998Paper

Biphasic spiral computed tomography versus digital subtraction angiography for evaluation of arterial thrombosis after orthotopic liver transplantation

Investigative Radiology
T J VoglR Felix

Abstract

The authors characterize the spiral computed tomographic (CT) findings in patients with hepatic arterial thrombosis after orthotopic liver transplantation (OLT). In nine with and 15 patients without hepatic artery thrombosis (HAT) after OLT, unenhanced and contrast-enhanced biphasic spiral CT was performed during arterial and venous phases, and evaluated by consensus of two blinded readers. Evaluation included signs of parenchymal and vascular changes in the liver. Findings subsequently were correlated with those of digital subtraction angiography (DSA). Among all patients, eight had complete occlusion of the proximal hepatic artery and one patient had partial thrombosis, as revealed by conventional DSA. Characteristic CT findings of HAT included irregularly shaped confluent hypoattenuating liver areas (n = 8), seen both before and after administration of contrast material. Necrotic lesions and changes consistent with ischemic type of biliary lesion were documented in six patients. Biphasic CT allowed detection of HAT in eight patients. Because of inadequate contrast enhancement during the arterial phase, thrombosed intrahepatic arteries were not adequately diagnosed in one patient. Overall CT sensitivity to detect HAT was 89%,...Continue Reading

References

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Citations

Oct 1, 2007·Journal of Cardiovascular Computed Tomography·Daniel G KrauserJonathan W Weinsaft
Mar 16, 2011·American Journal of Transplantation : Official Journal of the American Society of Transplantation and the American Society of Transplant Surgeons·W R R FaridG Kazemier
Nov 5, 2015·Gastroenterology Report·Binit SurekaAnkur Arora
Oct 19, 1999·Journal of Computer Assisted Tomography·H ZehR M Summers
Dec 10, 1999·Investigative Radiology·V M Runge

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