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Can the biliary enhancement of Gd-EOB-DTPA predict the degree of liver function?
MedLine Citation:
PMID:  22672826     Owner:  NLM     Status:  In-Data-Review    
BACKGROUND: Excretion of gadolinium-ethoxybenzyl-diethylenetriamine pentaacetic acid (Gd-EOB-DTPA) in the bile may be related to liver function, because of elimination from the liver after preferential uptake by hepatocytes. The purpose of this study was to investigate the relation between liver and biliary enhancement in patients with or without liver dysfunction, and to compare the tumor-to-liver contrast in these patients.
METHODS: Forty patients [group 1: normal liver and Child-Pugh class A in 20 patients, group 2: Child-Pugh class B in 18 patients and Child-Pugh C in 2] were evaluated. All patients underwent MR imaging of the liver using a 1.5-Tesla system. T1-weighted 3D images were obtained at 5, 10, 15 and 20 minutes after Gd-EOB-DTPA injection. The relation between group 3 (total bilirubin <1.8 mg/dL) and group 4 (total bilirubin ≥1.8 mg/dL) was investigated at 20 minutes. Liver and biliary signals were measured, and compared between groups 1 and 2 or groups 3 and 4. Tumor-to-liver ratio was also evaluated between groups 1 and 2. Scheffe's post-hoc test after two-way repeated-measures ANOVA and Pearson's correlation test were used for statistical analysis.
RESULTS: Liver enhancement showed significant difference at all time points between groups 1 and 2. Biliary enhancement did not show a significant difference between groups 1 and 2 at 5 minutes, but did at 10, 15 and 20 minutes. At 20 minutes, significant differences between groups 3 and 4 were seen for liver and biliary enhancement. At all time points, liver enhancement correlated with biliary enhancement in both groups. At 5 minutes and 20 minutes, statistical differences between groups 1 and 2 were seen for tumor-to-liver ratio.
CONCLUSIONS: The degree of biliary enhancement has a close correlation to that of liver enhancement. It is especially important that insufficient liver enhancement causes lower tumor-to-liver contrast in the hepatobiliary phase of Gd-EOB-DTPA.
Masahiro Okada; Kazunari Ishii; Kazushi Numata; Tomoko Hyodo; Seishi Kumano; Masayuki Kitano; Masatoshi Kudo; Takamichi Murakami
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Hepatobiliary & pancreatic diseases international : HBPD INT     Volume:  11     ISSN:  1499-3872     ISO Abbreviation:  HBPD INT     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-06-07     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101151457     Medline TA:  Hepatobiliary Pancreat Dis Int     Country:  China    
Other Details:
Languages:  eng     Pagination:  307-13     Citation Subset:  IM    
Department of Radiology, Kinki University Faculty of Medicine, Osaka-Sayama, Osaka 589-8511, Japan.
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