title: Gadoxetate disodium-enhanced liver MRI: gallbladder opacification patterns during hepatobiliary phase.
abstract: OBJECTIVE
  To describe the different patterns of gallbladder lumen opacification on gadoxetate disodium-enhanced liver magnetic resonance imaging (MRI).
  
  
  METHODS
  One hundred eighty-seven MRI examinations were reviewed by two abdominal imaging radiologists who described the different patterns of gallbladder opacification, based on comparing the post-contrast to the pre-contrast images.
  
  
  RESULTS
  Four patterns of gallbladder opacification were identified, all based on the anti-dependent distribution of the excreted biliary contrast inside the gallbladder lumen. Contrast was identified at the level of the gallbladder neck, anti-dependant wall, and gallbladder fundus. One gallbladder completely filled with contrast.
  
  
  CONCLUSIONS
  The opacification of the gallbladder lumen follows a distinctive anti-dependent distribution.
authors.affiliation: University of Massachusetts Medical School, Radiology Department, 55 Lake Avenue North, Worcester, MA01655. Electronic address: duckkaram@hotmail.com.
authors.forename: Adib R
authors.initials: AR
authors.lastname: Karam
authors.forename: Young H
authors.initials: YH
authors.lastname: Kim
authors.forename: Michael T
authors.initials: MT
authors.lastname: Corwin
mesh_terms: D003287:Contrast Media / Q000493:pharmacokinetics; D019786:Gadolinium DTPA / Q000493:pharmacokinetics; D005704:Gallbladder / Q000473:pathology*; D006801:Humans; D008099:Liver / Q000473:pathology*; D008279:Magnetic Resonance Imaging / Q000379:methods*; D012189:Retrospective Studies; D014018:Tissue Distribution
chemical_list: D003287:Contrast Media; C073590:gadolinium ethoxybenzyl DTPA; D019786:Gadolinium DTPA
keywords: Eovist; Gadoxetate disodium; Gallbladder opacification; MR cholangiography