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Cited by 447

The DOI matches its Crossref record; 31 of the 31 references it cites were found in a registry or an index.

MR Elastography of the Liver: Preliminary Results

Rouvière, Olivier, Yin, Meng, Dresner, M. Alex, Rossman, Phillip J., Burgart, Lawrence J., Fidler, Jeff L., Ehman, Richard L.·2006·Radiology

Abstract

PURPOSE: To develop a method for measuring liver stiffness with magnetic resonance (MR) elastography and to prospectively test this technique in healthy volunteers and patients with liver fibrosis. MATERIALS AND METHODS: This HIPAA-compliant study was approved by an institutional review board, and informed consent was obtained from each subject. First, to determine the feasibility of applying shear waves to the liver, a pneumatic acoustic wave generator was developed and tested by using a tissue-simulating gel phantom with ribs on one side and without ribs on the other. The effect of interposed ribs on stiffness measurements was tested. Then, liver stiffness was measured with MR elastography in 12 healthy volunteers (eight men, four women; mean age, 26.7 years; age range, 19-39 years) by using the subcostal approach and the transcostal approach and in 12 patients with chronic liver disease (six men, six women; mean age, 50.5 years; age range, 36-60 years) by using the transcostal approach. Various statistical analyses were performed to assess all measurements. RESULTS: Ex vivo, interposed ribs reduced shear wave amplitude but did not hinder stiffness measurements. In volunteers, the transcostal approach surprisingly yielded better shear waves in the liver than did the subcostal approach. The mean liver shear stiffness was significantly lower in volunteers (mean, 2.0 kPa +/- 0.3 [standard deviation]) than it was in patients with liver fibrosis (mean, 5.6 kPa +/- 5.0; median, 3.7 kPa; range, 2.7-19.2 kPa; P < .001). CONCLUSION: MR elastography of the liver is feasible and shows promise as a quantitative method for noninvasive assessment of liver fibrosis.

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Metadata

Authors
Rouvière, O., Yin, M., Dresner, M. A., Rossman, P. J., Burgart, L. J., Fidler, J. L., & Ehman, R. L.
Venue
Radiology
Published
2006-08
Volume
240
Issue
2
Pages
440-448
ISSN
  • 0033-8419 (ISSN-L)
  • 1527-1315
OpenAlex
W2112348746
Cited by
447
References
31
FWCI
22.17
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: MR Elastography of the Liver: Preliminary Results. https://app.cochat.ai/papers/10.1148/radiol.2402050606
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Rouvière, O., Yin, M., Dresner, M. A., Rossman, P. J., Burgart, L. J., Fidler, J. L., & Ehman, R. L. (2006). MR Elastography of the Liver: Preliminary Results. Radiology. https://doi.org/10.1148/radiol.2402050606

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