Periarticular shoulder disorders are common in clinical practice, and diagnosis is often difficult.
Medicare statistics indicate that between 2001 and 2006 the use of diagnostic shoulder ultrasonography increased significantly.
Rotator cuff disease, shoulder impingement syndrome and subacromial bursitis are among the most common diagnoses reported on shoulder ultrasonography.
Shoulder ultrasonography is useful in the diagnosis of full thickness tears, but its utility for other rotator cuff disorders, shoulder impingement syndrome and subacromial bursitis is less well established.
In the 1980s Australia experienced an epidemic of medically certified claims for non-specific arm symptoms described as repetitive strain injury. Although a number of factors were mooted as causal of the epidemic, no single factor emerged as a compelling putative candidate. The present paper discusses the results of research which was published only after the epidemic had waned. It provides possible insights into the rise and fall of repetitive strain injury. (Intern Med J 2004; 34: 416-419)
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