Objective High-frequency ultrasound and magnetic resonance imaging(MRI)were used to diagnose rotator cuff injuries,and their diagnostic efficacy was compared to find a method that could efficiently diagnose rotator cuff injuries.Methods Ninety-six patients with suspected rotator cuff injuries who attended the ultrasound department of Jiaozuo City Hospital of Traditional Chinese Medicine between August 2020 and May 2023 were selected as observation subjects,all of whom underwent high-frequency ultrasound,MRI examination.Taking arthroscopy as the gold standard,the diagnostic effects of the two examination methods were compared.Results Arthroscopy revealed 88 cases of rotator cuff injuries,including 62 cases of supraspinatus tendon injuries,12 cases of infraspinatus tendon injuries,and 27 cases of subscapularis tendon injuries.High-frequency ultrasound detected 79 cases of rotator cuff injuries,including 54 supraspinatus tendon injuries,11 infraspinatus tendon injuries,and 23 subscapularis tendon injuries;and MRI detected 86 cases of rotator cuff injuries,including 59 supraspinatus tendon injuries,12 infraspinatus tendon injuries,and 24 subscapularis tendon injuries.There was no significant difference in the detection rate of each tendon injury of the rotator cuff between the two methods(P＞0.05).The diagnostic sensitivity,specificity and accuracy of high-frequency ultrasound was 86.4％,62.5％and 84.4％,respectively,and the diagnostic sensitivity,specificity and accuracy of MRI was 95.5％,75.0％and 93.8％,respectively.There were significant difference in sensitivity and accuracy compared with that of the two methods(P＜0.05).Conclusion High-frequency ultrasound and MRI have certain diagnostic effects on rotator cuff injury,MRI has higher sensitivity and accuracy,but high-frequency ultrasound is cheap,can be compared bilaterally real-time observation,reproducibility,so it is recommended that high-frequency ultrasound be the preferred diagnostic method for rotator cuff injury.
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