title: Ultrasound vs. MRI in the assessment of rotator cuff structure prior to shoulder arthroplasty.
abstract: OBJECTIVE
  We compared the accuracy of US to 3 T Tesla MRI for the detection of rotator cuff and long biceps tendon pathologies before joint replacement.
  
  
  METHODS
  45 patients were prospectively included.
  
  
  RESULTS
  For the supraspinatus tendon, the accuracy of US when using MRI as reference was 91.1%. For the infraspinatus tendon, the accuracy with MRI as reference was 84.4%. The subscapularis tendon was consistently assessed by US and MRI in 35/45 patients (accuracy 77.8%). For the long biceps tendon the accuracy was 86.7%.
  
  
  CONCLUSIONS
  US detection of rotator cuff and biceps tendon integrity is comparable to MRI and should be preferred in revision cases.
authors.affiliation: Center for Orthopaedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, BW, 69118, Germany.
authors.forename: Christian Alexander
authors.initials: CA
authors.lastname: Fischer
authors.affiliation: Diagnostic and Interventional Radiology, Heidelberg University Hospital, Heidelberg, BW, 69120, Germany.
authors.forename: Marc-André
authors.initials: MA
authors.lastname: Weber
authors.affiliation: Center for Orthopaedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, BW, 69118, Germany.
authors.forename: Clément
authors.initials: C
authors.lastname: Neubecker
authors.affiliation: Institute of Medical Biometry and Informatics, University of Heidelberg, Heidelberg, BW, 69120, Germany.
authors.forename: Thomas
authors.initials: T
authors.lastname: Bruckner
authors.affiliation: Center for Orthopaedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, BW, 69118, Germany.
authors.forename: Michael
authors.initials: M
authors.lastname: Tanner
authors.affiliation: Center for Orthopaedics, Trauma Surgery and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, BW, 69118, Germany.
authors.forename: Felix
authors.initials: F
authors.lastname: Zeifang
keywords: MRI; Rotator cuff; Shoulder; Supraspinatus; Ultrasound
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