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Orthopaedic Proceedings
Vol. 86-B, Issue SUPP_III | Pages 264 - 264
1 Mar 2004
Schneider T Schemmann D Schmidt-Wiethoff R
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Aims: The purpose of this study was to verify a partial bursal-side rupture of the rotator cuff (RC) using different imaging techniques with special emphasis on the validity of a specific method of subacromial arthrography (SAA). Methods: Patients (n=92, age 53.8 years) with a subacromial impingement syndrome underwent sonography, magnetic resonance imaging (MRI), and SAA. All diagnostic results were controlled by subsequent arthroscopic surgery. Results: Out of 31 surgically verified ruptures, 17 cases showed a partial rupture located towards the bursa. These had been detected by MRI and ultrasound with a sensitivity of 64% and 41%, respectively, while SAA as a diagnostic tool yielded a sensitivity of 82%. In 14 cases of complete RC ruptures, all imaging techniques had a similar sensitivity of 86 to 93%. Conclusions: It appears that SAA is a sufficient and valid diagnostic tool for the detection of partial bursa-sided RC ruptures. Ultrasound and MRI showed a comparably lower sensitivity. It is therefore concluded that SAA has clear advantages in the diagnosis of this defect with the consequence that open surgical techniques to the patient can be avoided.