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  • Title: [Intravenous spiral CT angiography for assessment before orthotopic liver transplantation: comparisons between tomography, MIP, 3-dimensional surface imaging and intra-arterial DSA].
    Author: Hidajat N, Vogl TJ, Möller M, Bechstein WO, Felix R.
    Journal: Rofo; 1996 Nov; 165(5):445-51. PubMed ID: 8998315.
    Abstract:
    UNLABELLED: To analyse the efficacy of intravenous spiral CT angiography (SCTA) for the evaluation before orthotopic liver transplantation (oLT) compared with DSA. METHODS: Spiral CT was performed on 31 potential recipients of a liver graft in order to examine hepatic vessels, coeliac axis, splenic artery and superior mesenteric artery. The arterial vessels were reconstructed in "Maximum Intensity Projection (MIP)" and "Shaded Surface Display (SSD)"-technique. The axial images, MIP and SSD were compared in 25 patients with DSA with regard to the visualisation of the vascular anatomy, detectability of stenosis and vascular diameters. RESULTS: The type of arterial liver supply could be determined via SCTA in all patients. Stenosis of the coeliac axis was seen in ten patients on the DSA, MIP and SSD and in eight patients on the axial images. Occlusion of the hepatic artery was clearly visualised in two patients on the DSA, axial images and MIP and in one patient on the SSD. There was no false positive diagnosis with SCTA. SSD was seen as the best technique to visualise the vessels without overshadowing. There were no significant differences between the diameters measured from the axial images, MIP and SSD images in transversal direction and the DSA images (p > 0.05). CONCLUSION: SCTA is a greatly promising method for the imaging of vessels supplying the liver before oLT, and may convey more diagnostic information than DSA.
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