MR elastography of liver fibrosis: preliminary results comparing spin-echo and echo-planar imaging.
The purpose of this study was to prospectively compare the performance of magnetic resonance (MR) elastography using echo-planar and spin-echo imaging for staging of hepatic fibrosis. Twenty-four patients who had liver biopsy for suspicion of chronic liver disease had MR elastography performed with...
| Publicado en: | European Radiology Vol. 18; no. 11; pp. 2535 - 2542 |
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| Autores principales: | , , , , , , , , , , , , , |
| Formato: | research Journal Article |
| Publicado: |
Springer Nature
Nov2008
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=105617857&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 105617857 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 09387994 NPH jtl: European Radiology issn: 09387994 maglogo: N pubinfo: dt: Nov2008 vid: 18 iid: 11 pid: 237 pub: Springer Nature place: New York, New York artinfo: ui: 105617857 34723007 NLM18504591 2010158799 10.1007/s00330-008-1051-5 NLM18504591 105617857 ppf: 2535 ppct: 7 formats: fmt: – @attributes: type: T – @attributes: type: P tig: atl: MR elastography of liver fibrosis: preliminary results comparing spin-echo and echo-planar imaging. aug: au: Huwart L Salameh N Ter Beek L Vicaut E Peeters F Sinkus R Van Beers BE Huwart, Laurent Salameh, Najat ter Beek, Leon Vicaut, Eric Peeters, Frank Sinkus, Ralph Van Beers, Bernard E affil: Diagnostic Radiology Unit, Université Catholique de Louvain, St-Luc University Hospital, Brussels, Belgium sug: subj: Liver Cirrhosis Diagnosis Magnetic Resonance Imaging Methods Ultrasonography Methods Adult Aged Female Male Middle Age Oxides Pilot Studies Reproducibility of Results Sensitivity and Specificity Human Adult: 19-44 years Aged: 65+ years Middle Aged: 45-64 years Female Male ab: The purpose of this study was to prospectively compare the performance of magnetic resonance (MR) elastography using echo-planar and spin-echo imaging for staging of hepatic fibrosis. Twenty-four patients who had liver biopsy for suspicion of chronic liver disease had MR elastography performed with both spin-echo and echo-planar sequences. At histology, the fibrosis stage was assessed according to METAVIR. The data acquisition time was about 20 min using spin-echo, and only 2 min using echo-planar imaging. The hepatic signal-to-noise ratios were similar on both images (22.51 +/- 5.37 for spin-echo versus 21.02 +/- 4.76 for echo-planar, p = 0.33). The elasticity measurements and the fibrosis stages were strongly correlated. The Spearman correlation coefficients were r = 0.91 (p < 0.01) with spin-echo and r = 0.84 (p < 0.01) with echo-planar sequences. These correlation coefficients did not differ significantly (p = 0.17). A strong correlation was also observed between spin-echo and echo-planar elasticity (r = 0.83, p < 0.001), without systematic bias. The results of our study showed that echo-planar imaging substantially decreased the data acquisition time of MR elastography, while maintaining the image quality and diagnostic performance for staging of liver fibrosis. This suggests that echo-planar MR elastography could replace spin-echo MR elastography in clinical practice. pubtype: Academic Journal doctype: research Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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