title: Three-dimensional contrast-enhanced MR angiography in diagnosis of portal vein involvement by hepatic tumors.
abstract: OBJECTIVE
  To assess the accuracy of three-dimensional contrast-enhanced magnetic resonance angiography (3D CE MRA) in evaluation of the portal vein involvement in patients with hepatic tumors.
  
  
  METHODS
  3D CE MRA was performed in 62 patients with hepatic tumors to assess the patency of the main, right and left portal veins before hepatic surgery. A total of 186 veins were examined for encasement, occlusion and tumor thrombosis. The results of 3D CE MRA diagnosis were then correlated with the surgical-pathological and intra-operative sonographic findings.
  
  
  RESULTS
  3D CE MRA correctly detected 48 of 49 involved and 135 of 137 noninvolved portal veins with the sensitivity of 98 %, specificity of 99 %, positive predictive value of 96 % and negative predictive value of 99 %.
  
  
  CONCLUSIONS
  3D CE MRA is accurate in evaluation of the portal vein involvement in patients with hepatic tumors.
authors.affiliation: Department of Radiology, Affiliated Zhongshan Hospital, Fudan University, Shanghai 200032, China. linjiang@zshospital.net
authors.forename: Jiang
authors.initials: J
authors.lastname: Lin
authors.forename: Kang-Rong
authors.initials: KR
authors.lastname: Zhou
authors.forename: Zu-Wang
authors.initials: ZW
authors.lastname: Chen
authors.forename: Jian-Hua
authors.initials: JH
authors.lastname: Wang
authors.forename: Zhi-Quan
authors.initials: ZQ
authors.lastname: Wu
authors.forename: Jia
authors.initials: J
authors.lastname: Fan
mesh_terms: D000328:Adult; D000368:Aged; D006528:Carcinoma, Hepatocellular / Q000098:blood supply* / Q000175:diagnosis* / Q000473:pathology; D003287:Contrast Media; D003951:Diagnostic Errors; D005260:Female; D005682:Gadolinium; D006801:Humans; D008113:Liver Neoplasms / Q000098:blood supply* / Q000175:diagnosis* / Q000473:pathology; D018810:Magnetic Resonance Angiography / Q000379:methods*; D008297:Male; D008875:Middle Aged; D011169:Portal Vein / Q000473:pathology*
chemical_list: D003287:Contrast Media; D005682:Gadolinium