Objective: To explore the diagnostic value of high frequency ultrasound in the different subtypes classification of the rotator cuff tear. Methods: The full-thickness tear of supraspinatus tendon is divided into 4 types by using high frequency ultrasound. By comparing with the shoulder arthroscopy, we explore its application value in clinical practice. Results: Of 71 shoulder cases in 65 patients, 67 full-thickness tear of the supraspinatus tendon were confirmed by operation, and three were underestimated and one was overestimated by ultrasound. Of 67 full-thickness, 27 L-type, 17 U type(double U+L type 1), 15 giant tear and 8 crescent shaped types were comfired. The sensitivity and specificity of ultrasonography in the diagnosis of the whole layer tear of the tendon were 95.5% and 75%, and the total coincidence rate was 94.4%. Conclusion: High frequency ultrasound can be very good for classification of the rotator cuff tear. It is highly valuable for clinical treatment and surgical options.
Key words
Shoulder /
Lacerations /
Ultrasonography, Doppler, color
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