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MR elastography

Dr Bruno Di Muzio and Dr Matt A. Morgan et al.

MR elastography (MRE) is an MRI technique that can be used to assess liver stiffness. This is useful to not only detect the development of fibrosis in diffuse liver disease but also to quantify it and monitor liver fibrosis change with (or without) therapy.

The main advantage over ultrasound elastographic techniques is that a larger portion of the liver is sampled, reducing sampling bias.

  • patients should be fasting for 4-6 hours before the MRI exam
  • a passive pneumatic driver is connected to an active driver outside the MRI room
    • this generates 60 Hz mechanical compressions over the liver
  • the driver is typically placed on a supine patient over the right upper quadrant of the abdominal wall
  • MR elastography in the liver is limited by hepatic iron deposition

Article information

rID: 73255
Synonyms or Alternate Spellings:
  • MRE
  • MRI elastography
  • Magnetic resonance elastography (MRE)

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