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Rotator cuff impingement syndrome: MR imaging.

G J Kieft1, J L Bloem, P M Rozing

  • 1Department of Diagnostic Radiology, University Hospital Leiden, The Netherlands.

Radiology
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

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Magnetic resonance (MR) imaging shows rotator cuff degeneration and inflammation in patients with impingement syndrome. However, MR imaging did not detect rotator cuff tears, which were visible with arthrography.

Area of Science:

  • Orthopedic imaging
  • Musculoskeletal radiology

Background:

  • Rotator cuff impingement syndrome is a common cause of shoulder pain.
  • Accurate diagnosis is crucial for effective treatment planning.

Purpose of the Study:

  • To evaluate the utility of magnetic resonance (MR) imaging in diagnosing rotator cuff abnormalities in patients with impingement syndrome.
  • To compare MR imaging findings with double contrast arthrography and conventional radiography.

Main Methods:

  • Ten patients with suspected rotator cuff impingement syndrome underwent MR imaging, double contrast arthrography, and radiography.
  • MR imaging utilized spin-echo sequences with varying repetition time (TR) and echo time (TE).
  • Microscopic analysis was performed on samples from five patients.

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Main Results:

  • MR imaging revealed increased signal intensity in the rotator cuff tendinous portion in eight of ten patients, correlating with degeneration and inflammation.
  • A previously injected steroid preparation could complicate image interpretation.
  • No rotator cuff tears were detected by MR imaging, but arthrography identified full-thickness tears in three patients.

Conclusions:

  • MR imaging can demonstrate rotator cuff abnormalities like degeneration and inflammation in impingement syndrome.
  • Arthrography remains valuable for detecting full-thickness rotator cuff tears.
  • Further studies with larger patient cohorts are warranted.