How does MRI compare to CT?

MRI has the unique ability to detect abnormal fluid content, and is therefore unparalleled in its role of detection, diagnosis, prognosis, treatment planning and follow up of musculoskeletal disease. MRI in companion animals should be considered when a definitive diagnosis cannot be made on radiographs, a patient is nonresponsive to medical or surgical therapy, prognostic information is desired, assessment of surgical margins and traumatic and/or infectious joint and bone disease, and in ruling out subtle developmental or early aggressive bone lesions.

Advantages of MRI over CT

  • Any plane can be acquired
  • Less dependence on contrast enhancement
  • Numerous sequences to interrogate the tissue
  • No bowel motion in pets as they are anesthetized
  • The best method for soft tissue visualization
  • Most of the skeletal system is soft tissue
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