
pmid: 22607922
l t d t i A 34-year-old unrestrained female passenger complained of right shoulder pain following a motor vehicle crash. Anteroposterior view of the right shoulder was unremarkable (Fig 1A). Grashey view (45° posterior oblique) suggested a fracture of the distal coracoid (Fig 1B), which was confirmed on an axillary projection (Fig 1C). Coracoid fractures present in 5% of shoulder fractures and 2%-13% of scapular fractures and are the result of direct impact or avulsion. Avulsion fractures may be caused by either the coracoclavicular ligaments during acromioclavicular dislocation or the attached muscles during violent contraction. Coracoid fractures are often overlooked on fronal radiographs of the shoulder, because they are requently non-displaced and difficult to visualize hen projected end on. The axillary radiograph and he anteroposterior cephalic tilt view most reliably how coracoid process fractures. However, even with axillary and other views, coracoid fractures are frequently overlooked, because of satisfaction of search in the setting of multiple shoulder fractures. The coracoid is an essential component of shoulder biomechanics, providing attachment for musculotendinous and ligamentous structures that promote anterosuperior stability of the glenohumeral joint.
Adult, Radiography, Scapula, Fractures, Bone, Accidents, Traffic, Shoulder Fractures, Humans, Female
Adult, Radiography, Scapula, Fractures, Bone, Accidents, Traffic, Shoulder Fractures, Humans, Female
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