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Related Experiment Videos

Massive rotator cuff tears. Screening by routine radiographs

K Kaneko1, E H De Mouy, M E Brunet

  • 1Department of Radiology, Tulane University Medical Center, New Orleans, Louisiana 70112-2699.

Clinical Imaging
|January 1, 1995
PubMed
Summary
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Routine shoulder radiographs can effectively screen for massive rotator cuff tears (MRCT). Identifying superior humerus migration and greater tuberosity deformity offers high accuracy in detecting MRCT.

Area of Science:

  • Orthopedic Surgery
  • Radiology
  • Sports Medicine

Background:

  • Rotator cuff tears are common shoulder injuries.
  • Massive rotator cuff tears (MRCT) require accurate diagnosis for effective treatment.
  • The diagnostic utility of standard shoulder radiographs for MRCT screening needs clarification.

Purpose of the Study:

  • To evaluate the effectiveness of routine shoulder radiographs in screening for massive rotator cuff tears (MRCT).
  • To compare radiographic findings in shoulders with MRCT, small full-thickness rotator cuff tears (SRCT), and normal controls.

Main Methods:

  • A comparative study involving 83 shoulders: 22 with MRCT, 31 with SRCT, and 30 controls.
  • Two statistical methods were used to analyze the correlation of radiographic abnormalities with tear size.

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  • Radiographs were assessed for specific abnormalities, including superior humerus migration and greater tuberosity deformity.

    • Main Results:

    • Superior migration of the humerus and greater tuberosity deformity were the most significant indicators of MRCT.
    • Screening for these two abnormalities demonstrated a sensitivity of 78% and a specificity of 98% for MRCT detection.
    • These findings suggest specific radiographic signs are highly indicative of massive rotator cuff tears.

    Conclusions:

    • Routine shoulder radiographs are a useful screening tool for identifying massive rotator cuff tears (MRCT).
    • The presence of superior humerus migration and greater tuberosity deformity on radiographs strongly suggests MRCT.
    • These radiographic findings can aid in the initial assessment and screening of patients with suspected rotator cuff pathology.