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Related Experiment Videos

Rotator cuff tear: clinical experience with sonographic detection.

M G Soble1, A D Kaye, R C Guay

  • 1Department of Radiology, Bridgeport Hospital, CT 06610.

Radiology
|November 1, 1989
PubMed
Summary

Ultrasound (sonography) effectively detects rotator cuff tears, showing high accuracy compared to arthrography. This noninvasive imaging is a valuable tool for diagnosing shoulder injuries.

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Area of Science:

  • Orthopedics
  • Radiology
  • Musculoskeletal Imaging

Background:

  • Rotator cuff tears are a common cause of shoulder pain and dysfunction.
  • Accurate diagnosis is crucial for effective treatment planning.
  • Arthrography has been a standard diagnostic tool, but it is invasive.

Purpose of the Study:

  • To evaluate the diagnostic accuracy of sonography (ultrasound) for detecting rotator cuff tears.
  • To compare sonography's performance against arthrography and surgical findings.

Main Methods:

  • 86 shoulder sonographic examinations were performed on patients with suspected rotator cuff tears.
  • Diagnostic criteria included discontinuity, nonvisualization, or echogenic focus within the cuff.
  • Sonography results were compared with arthrography in 75 patients and surgical outcomes in 30 patients.

Main Results:

  • Sonography detected 92% of rotator cuff tears compared to arthrography, with 84% specificity and 95% negative predictive value.
  • In surgically correlated cases, sonography showed 93% sensitivity and 73% specificity for tear detection.
  • Arthrography demonstrated 87% sensitivity and 100% specificity in the surgical group.

Conclusions:

  • Sonography is a highly sensitive and specific noninvasive imaging modality for diagnosing rotator cuff tears.
  • Ultrasound serves as a useful screening procedure for patients with suspected rotator cuff injuries.
  • Sonography offers a valuable alternative to invasive diagnostic methods like arthrography.

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