الفهرس 
THE SHOULDER JOINTOnly 14 pages are availabe for public view
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Abstract
Dynamic ultrasound is a good alternative to other radiological methods as static MRI, for diagnosis tendon and joints pathology.
High resolution ultrasound can be used as first line of examination, and if no abnormalities could be detected by it and the patient is still complaining, complementary MRI should be done. If ultrasound findings are positive and are going with the patient clinical diagnosis, no further investigation is needed.
US is highly sensitive and specific in detection of upper limb muscloskeletal disorders in correlation to MRI as in:
Shoulder joint:
Subacromial impaingment.
LHB subluxation/dislocation.
Adhesice capsulitis.
Elbow joint :
Snapping tirceps/ ulnar nerve subluxation.
Ulnar collateral ligment injury.
Wrist joint and hand:
Extensor carpi ulnaris subluxation.
Trigger finger.
Dupuytren’s contracture.
Boxer’s knuckle.US is considered the only non-invasive alternative in MRI contraindications as in:
Pacemaker.
Cochlear implants.
Intra-ocular metallic foreign bodies.
Aneurysmal clips
Pregnancy.
Claustrophobic.
Uncontrollable movement.
Limitation
Despite advantages, there are some limitations of this technology. US is considered to be an operator-dependent technology. Acquisition of US skills takes time depending on trainee’s hand–eye coordination skills. A long training period may be an important limiting factor in its popular use.
Another limitation of the study was the small number of included patients. So, further studies with larger number of patients for better and more reliable results are recommended.