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Detection of biliary and vascular anatomy in living liver donors: value of gadobenate dimeglumine enhanced MR and MDCT angiography.

Abstract：

OBJECTIVE:To evaluate the performance of magnetic resonance (MR) and multidetector computed tomography (MDCT) in the assessment of living donor's vascular and biliary anatomy, having surgical findings as reference standard. METHODS:Thirty-two living liver donors underwent MR cholangiography (1.5-T; standard cholangiography pulse sequences and delayed acquisitions after administration of biliary contrast agent) for biliary anatomy evaluation. MDCT (16-row multidetector scanner, multiphase protocol, 3mm slice thickness) was also performed in all cases for the assessment of vascular anatomy before transplantation. Hepatic veins (<4mm in diameter) were not considered. MR and MDCT images interpretation was performed by two reviewers by consensus, based on source axial images, multiplanar reformats, and three-dimensional (3D) postprocessing images. Surgical intraoperative findings were used as standard of reference. RESULTS:At surgery, 17 biliary anomalies, 3 portal anomalies, 32 venous and 8 arterial variants were found in the 32 patients. MR correctly identified 15/17 biliary anomalies, with a sensitivity of 88% and a specificity of 93%. MDCT correctly identified 8/8 arterial, 3/3 portal and 29/32 venous variants, with a sensitivity of 100% and 91%, respectively, and a specificity of 100%. CONCLUSIONS:MR and MDCT proved to be efficient in evaluating living liver donor's biliary and vascular anatomy.

journal_name

Eur J Radiol

journal_title

European journal of radiology

authors

Artioli D,Tagliabue M,Aseni P,Sironi S,Vanzulli A

doi

10.1016/j.ejrad.2009.07.001

subject

Has Abstract

pub_date

2010-11-01 00:00:00

pages

e1-5

issue

2

eissn

0720-048X

issn

1872-7727

pii

S0720-048X(09)00411-2

journal_volume

76

pub_type

杂志文章

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