ABC of emergency radiology. The shoulder.

Trauma to the shoulder is common, although the type of injury varies considerably in different age ,. ~~~~~~ ~groups. Clavicular fractures are common in childhood and early adulthood, glenohumeral dislocation and acromioclavicular disruption are M~~~~~~~~~~~~~~frequent between the ages of 15 and 40 years, and Normal m se n o| T sue fracture of the humeral head is often seen in elderly people. This chapter describes the features f ~~ ~ ~~ *~~~J' ~of these types of injury and a system of radiological interpretation to ensure that many of the subtle signs associated with them are not missed.