221 results found
Article
Shoulder dislocation
The shoulder dislocation (more accurately termed a glenohumeral joint dislocation) involves separation of the humerus from the glenoid of the scapula at the glenohumeral joint.
This article contains a general discussion on shoulder dislocation. For specific dislocation types please refer to the...
Article
Shoulder series (summary)
This is a basic article for medical students and other non-radiologists
A shoulder series (or shoulder x-ray) is most frequently performed following trauma looking for evidence of fracture or dislocation.
Reference article
This is a summary article. For more information, you can read a more i...
Article
Anterior shoulder dislocation
Anterior shoulder dislocation is by far the commonest type of dislocation and usually results from forced abduction, external rotation and extension 1.
Epidemiology
Broadly speaking, anterior shoulder dislocations occur in a bimodal age distribution. The first, and by far the more prevalent a...
Article
Inferior shoulder dislocation
An inferior shoulder dislocation is the least common form of shoulder dislocation. The condition is also called luxatio erecta because the arm appears to be permanently held upward, in fixed abduction. The patient will often present with their hand placed on the head or near it.
Pathology
It i...
Article
Posterior shoulder dislocation
Posterior shoulder dislocations are far less common than anterior shoulder dislocations and can be difficult to identify if only AP projections are obtained. A high index of suspicion is helpful.
Epidemiology
Posterior shoulder dislocations account for only 2-4% of all shoulder dislocations (t...
Article
CT shoulder (protocol)
The CT shoulder protocol serves as an examination for the assessment of the shoulder joint. It is often performed as a non-contrast study. It can be combined with a CT arthrogram for the evaluation of labral injuries or the rotator cuff if MRI is contraindicated or in a postoperative setting whe...
Article
Investigating shoulder injury (summary)
This is a basic article for medical students and other non-radiologists
Shoulder injury is a relatively uncommon, but important cause for presentation to the Emergency Department. Pain may be the result of acute or chronic injury.
Summary
assessment
history
history of trauma?
previous inj...
Article
Shoulder (Velpeau view)
The Velpeau view of the glenohumeral joint is a modified axial projection performed in the context of shoulder immobilization.
Indications
This projection is performed on patients with a shoulder sling (Velpeau bandage) in place, often in the context of post-operative or a post-reduction prese...
Article
Shoulder (modified trauma axial view)
The modified trauma axial view is a supplementary projection that replaces the ‘Y view’ of the two-view shoulder series. It is an orthogonal view of the AP projection of the glenohumeral joint and is often performed in the context of trauma.
Indications
The modified trauma axial view is used t...
Article
Light bulb sign (posterior shoulder dislocation)
The light bulb sign refers to the abnormal AP radiograph appearance of the humeral head in posterior shoulder dislocation.
When the humerus dislocates it also internally rotates such that the head contour projects like a light bulb when viewed from the front 1.
See also
light bulb sign (hepat...
Case
Lipohemarthrosis of the shoulder
Published
04 Jan 2023
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CT
Case
Shoulder fracture
Published
11 Jul 2023
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Posterior shoulder dislocation
Published
20 Sep 2010
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Annotated image
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Posterior shoulder dislocation
Published
26 Jan 2020
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CT
X-ray
Case
Anterior shoulder dislocation
Published
08 May 2022
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X-ray
Case
Posterior shoulder dislocation
Published
20 Apr 2016
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CT
Case
Posterior shoulder dislocation
Published
21 Aug 2020
94% complete
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Case
Posterior shoulder dislocation
Published
12 Jul 2016
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Case
Anterior shoulder dislocation
Published
07 Nov 2022
94% complete
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Case
Posterior shoulder dislocation
Published
03 Feb 2018
95% complete
X-ray
CT
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