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Department of Orthopaedic Surgery, Sports Medicine Section, UCLA School of Medicine, Los Angeles, California
Department of Orthopaedic Surgery, Sports Medicine Section, UCLA School of Medicine, Los Angeles, California
Department of Orthopaedic Surgery, Sports Medicine Section, UCLA School of Medicine, Los Angeles, California
Department of Orthopaedic Surgery, Sports Medicine Section, UCLA School of Medicine, Los Angeles, California
Department of Orthopaedic Surgery, Sports Medicine Section, UCLA School of Medicine, Los Angeles, California
We studied 54 patients with shoulder pain secondary to anterior instability or glenoid labral tears refractory to 6 months of conservative management with no evi dence of rotator cuff lesions. All patients had sufficient preoperative clinical data, magnetic resonance imag ing, and shoulder arthroscopy results for analysis. The ability to predict the presence of a glenoid labral tear by physical examination was compared with that of mag netic resonance imaging (conventional and arthro gram) and confirmed with arthroscopy. There were 37 men and 17 women (average age, 34 years) in the study group. Of this group, 64% were throwing athletes and 61% recalled specific traumatic events. Clinical assessment included history with specific attention to pain with overhead activities, clicking, and instances of shoulder instability. Physical examination included the apprehension, relocation, load and shift, inferior sulcus sign, and crank tests. Shoulder arthroscopy confirmed labral tears in 41 patients (76%). Magnetic resonance imaging produced a sensitivity of 59% and a specificity of 85%. Physical examination yielded a sensitivity of 90% and a specificity of 85%. Physical examination is more accurate in predicting glenoid labral tears than magnetic resonance imaging. In this era of cost con tainment, completing the diagnostic workup in the clinic without expensive ancillary studies allows the patient's care to proceed in the most timely and economic fashion.
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