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Anatomic study of the canine stifle using low-field magnetic resonance imaging (MRI) and MRI arthrography

  • Pujol, Esteban
  • van Bree, Henri
  • Cauzinille, Laurent
  • Poncet, Cyrill
  • Gielen, Ingrid
  • Bouvy, Bernard
Publication Date
Jan 01, 2011
Ghent University Institutional Archive
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Objective: To investigate the use of low-field magnetic resonance imaging (MRI) and MR arthrography in normal canine stifles and to compare MRI images to gross dissection. Study Design: Descriptive study. Sample Population: Adult canine pelvic limbs (n=17). Methods: Stifle joints from 12 dogs were examined by orthopedic and radiographic examination, synovial fluid analysis, and MRI performed using a 0.2 T system. Limbs 1 to 7 were used to develop the MR and MR arthrography imaging protocol. Limbs 8-17 were studied with the developed MR and MR arthrography protocol and by gross dissection. Three sequences were obtained: T1-weighted spin echo (SE) in sagittal, dorsal, and transverse plane; T2-weighted SE in sagittal plane and T1-gradient echo in sagittal plane. Results: Specific bony and soft tissue structures were easily identifiable with the exception of articular cartilage. The cranial and caudal cruciate ligaments were identified. Medial and lateral menisci were seen as wedge-shaped hypointense areas. MR arthrography permitted further delineation of specific structures. MR images corresponded with gross dissection morphology. Conclusions: With the exception of poor delineation of articular cartilage, a low-field MRI and MR arthrography protocol provides images of adequate quality to assess the normal canine stifle joint.

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