Ultrasonographic Evaluation of the Shoulder Joint in Patients With Axial Spondyloarthritis

The ultrasound examination is performed according to the protocols of the European Society of Musculoskeletal Radiology (ESSR). The tendons of the muscles forming the rotator cuff, the enthesis regions, the tendon of the long head of the biceps muscle, the subacromial-subdeltoid bursa, the acromioclavicular and glenohumeral joints are examined.