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X-ray shoulder showing light bulb sign (left) in posterior shoulder dislocation. The image on the right was taken after reposition. The light bulb sign is a radiological finding observed on plain radiographs in the context of posterior shoulder dislocation. [1]
X-ray at left shows anterior dislocation in a young man. X-ray at right shows the same shoulder after reduction and internal rotation, revealing a Bankart lesion and a Hill-Sachs lesion. In over 95% of shoulder dislocations, the humerus is displaced anteriorly. [8]
A Bankart lesion is a type of shoulder injury that occurs following a dislocated shoulder. [3] It is an injury of the anterior glenoid labrum of the shoulder. [4] When this happens, a pocket at the front of the glenoid forms that allows the humeral head to dislocate into it.
The Cunningham technique was originally published in 2003 and is an anatomically based method of shoulder reduction that utilizes positioning (analgesic position), voluntary scapular retraction, and bicipital massage. [7] If performed correctly most patients do not require analgesia for the performance of this technique.
In a population with recurrent dislocation using findings at surgery as the gold standard, a sensitivity of 96% was demonstrated. [4] In a second study of patients with continuing shoulder instability after trauma, and using double contrast CT as a gold standard, a sensitivity of over 95% was demonstrated for ultrasound. [ 5 ]
Medical history (the patient tells the doctor about an injury). For shoulder problems the medical history includes the patient's age, dominant hand, if injury affects normal work/activities as well as details on the actual shoulder problem including acute versus chronic and the presence of shoulder catching, instability, locking, pain, paresthesias (burning sensation), stiffness, swelling, and ...
With appropriate patient selection, the Latarjet procedure can be expected to prevent recurrent anterior instability in approximately 94-99% of cases. [9] [6] [10] [11] [12] Full recovery can take 6 months, however the majority of activities can be resumed after 3. [1] The main long term side effect is reduced external rotation range in the ...
Shoulder dislocations account for 45% of all dislocation visits to the emergency room. [24] Anterior shoulder dislocation, the most common type of shoulder dislocation (96-98% of the time) occurs when the arm is in external rotation and abduction (away from the body) produces a force that displaces the humeral head anteriorly and downwardly. [24]