title: MRI findings of posttraumatic intrahepatic vascular shunts.
abstract: OBJECTIVE
  To describe the features of posttraumatic intrahepatic vascular shunts (PIVS) as seen on MRI.
  
  
  METHODS
  A search was performed for patients with MRI features compatible with PIVS in the Abdominal MRI databases between January 2002 and March 2008. This study was approved by our institutional review board. All patients were imaged using a protocol that included noncontrast T1-weighted and T2-weighted images, and postgadolinium gradient-echo images.
  
  
  RESULTS
  Eleven patients (eight men, three women; mean age 55.36 years; range 43-77 years) were identified with PIVS. The following imaging features were observed: dilation of afferent and efferent vessels (five patients), transient hepatic parenchymal blush in a watershed distribution (11 patients), and early opacification of efferent vessels (11 patients).
  
  
  CONCLUSIONS
  Patients with PIVS exhibit features that are distinctive for this entity and include: dilatation of efferent and afferent vessels, transient parenchymal blush, and early opacification of efferent vessels.
authors.affiliation: Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7510, USA. richsem@med.unc.edu
authors.forename: Richard C
authors.initials: RC
authors.lastname: Semelka
authors.forename: Teresa
authors.initials: T
authors.lastname: Lessa
authors.forename: Faiq
authors.initials: F
authors.lastname: Shaikh
authors.forename: Frank H
authors.initials: FH
authors.lastname: Miller
authors.forename: Mohamed
authors.initials: M
authors.lastname: Elazzazi
authors.forename: Matt
authors.initials: M
authors.lastname: Dyson
mesh_terms: D000328:Adult; D000368:Aged; D003287:Contrast Media; D004108:Dilatation, Pathologic / Q000175:diagnosis; D005260:Female; D019786:Gadolinium DTPA; D006801:Humans; D007089:Image Enhancement / Q000379:methods; D008099:Liver / Q000098:blood supply* / Q000293:injuries*; D008103:Liver Cirrhosis / Q000150:complications; D008107:Liver Diseases / Q000175:diagnosis* / Q000209:etiology; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008297:Male; D008875:Middle Aged; D015588:Observer Variation; D012189:Retrospective Studies; D014949:Wounds, Nonpenetrating / Q000150:complications*
chemical_list: D003287:Contrast Media; C064925:gadodiamide; D019786:Gadolinium DTPA