الفهرس 
Anatomy of the Shoulder JointOnly 14 pages are availabe for public view
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Abstract
Background: Different diagnostic imaging modalities, such as ultrasonography (US), MRI, MR arthrography are commonly used for the characterization of different causes of painful shoulder joint including rotator cuff disorders and impingement syndrome. Aim: The purpose of this study was to evaluate and compare the role of high resolution ultrasonography (US) and magnetic resonance imaging (MRI) in the detection of different abnormalities of shoulder joint and to find out the value added by dynamic ultrasonography to the static examination of such cases, using MR imaging as a gold standard. Patients and Methods: This study was performed on 35 patients presented with symptoms of painful shoulder and some patients have limited movements of their shoulders. This was a prospective study which done in the department of diagnostic Radiology at Saudi German hospital for 18 months from June 2021 to December 2022. Results: Ultrasonography showed 84.62% sensitivity in the diagnosis of supraspinatus tendinosis, 70 % in diagnosis of partial-thickness supraspinatus tears and 85.71% in detecting full-thickness tears of the supraspinatus tendon. For subscapularis tendinopathy U/S sensitivity was 66.67% and for infraspinatus tendinopathy and tears U/S sensitivity was 100%. Conclusion: Ultrasonography being an easily available, widely spread, quick, non-costly, non-invasive, non-painful and having no contraindications, with advantage of dynamic real time assessment become a problem solving and the examination of choice for cases of sub acromial impingement, that can provide an accurate answer to many clinical questions & give an accurate diagnosis of different pathological abnormalities encountered, which are complex and multifactorial in most of the cases.