Peer-reviewed veterinary case report
MRI findings in dogs with soft tissue shoulder injuries
By Murphy, Sean E et al.·Published in Veterinary surgery : VS·2008·Department of Surgical Sciences, United States·View original on PubMed →
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Original publication title: Magnetic resonance imaging findings in dogs with confirmed shoulder pathology.
- Species:
- dog
Plain-English summary
A group of dogs with shoulder problems underwent magnetic resonance imaging (MRI) to see how well it could identify issues compared to surgery. The MRI was able to accurately detect various soft tissue injuries, such as tendon tears and inflammation, with high agreement rates when compared to surgical findings. This means that MRI can be a reliable tool for diagnosing shoulder issues in dogs, helping vets determine the best treatment options.
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Abstract
OBJECTIVE: To evaluate the diagnostic potential of magnetic resonance imaging (MRI) compared with a reference standard, arthroscopic and/or open surgery, in dogs with soft tissue shoulder pathology. STUDY DESIGN: Retrospective study. ANIMALS: Dogs (n=21). METHODS: Magnetic resonance (MR) images were retrospectively evaluated in 21 dogs that had surgically identified soft tissue shoulder pathology. The musculotendinous units of the biceps, infraspinatus, teres minor, supraspinatus, subscapularis, and the medial and lateral glenohumeral ligaments (MGHL and LGHL) were graded as either normal or abnormal. Abnormal structures were further classified as being either inflamed, partially torn, or fully torn. Impingement of the biceps tendon was also evaluated. Results were reported in terms of agreement and concordance between MRI findings and surgical findings. Agreement was defined as the percentage of times MRI findings concurred with surgical findings with respect to a structure being either normal or abnormal. Concordance was defined as the percentage of times MRI concurred with the exact surgically assessed pathology when abnormality was identified. RESULTS: The findings were biceps tendon: 90% agreement with 100% concordance; subscapularis: 95% agreement with 62% concordance; MGHL: 84% agreement with 83% concordance; LGHL: 88% agreement with 100% concordance; infraspinatus: 100% both agreement and concordance; biceps tendon impingement: 90% agreement with 100% concordance. CONCLUSIONS: Soft tissue abnormalities of the canine shoulder were readily identified on preoperative MR images. CLINICAL RELEVANCE: MRI shows great potential as a diagnostic tool in the evaluation of canine shoulder disease.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/19134085/