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On non-contrast MRI or CT arthrography imaging, lesions might be harder to find, but the more recent 3T MRI scanners might increase the pick-up rate in the absence of contrast. [4] The accepted gold standard for identifying or detecting the glenolabral articular disruption lesion is MR arthroscopy (MRA). [1]
As a general rule, abnormal pain experienced during any of these tests will indicate a positive result, or a tear of the glenoid labrum. All of the tests take advantage of the fact that the labrum meets the tendon of the long head of the biceps muscle, and thus will normally produce pain in the region if a tear is present.
A Bankart lesion is a type of shoulder injury that occurs following a dislocated shoulder. [3] It is an injury of the anterior ( inferior ) 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.
Twelve varieties of SLAP lesion have been described, with initial diagnosis by MRI or arthrography and confirmation by direct arthroscopy. [9] Type I - 11 o'clock to 1 o'clock. Fraying of the superior labrum, though it remains firmly attached to the glenoid rim. Type II - 11 o'clock to 1 o'clock. Tear of biceps labral complex
Shoulder arthrography can be used to study tears of the rotator cuff, glenoid labrum and biceps. [2] The type of contrast injected into the joint depends on the subsequent imaging that is planned. For pneumoarthrography, gas is used, for CT or radiographs, a water-soluble radiopaque contrast, and for MRI, gadolinium. Double-contrast ...
The lesion is associated with any damage to the antero-inferior labrum. Most commonly due to anterior shoulder dislocation. The lesion often occurs after the initial dislocation. In chronic cases, there may be fibrosis and resynovialization of the labrum and periosteum. [citation needed] The lesion is best identified on MR arthrography.
Dead arm syndrome starts with repetitive motion and forces on the posterior capsule of the shoulder. The posterior capsule is a band of fibrous tissue that interconnects with tendons of the rotator cuff of the shoulder. Four muscles and their tendons make up the rotator cuff. They cover the outside of the shoulder to hold, protect and move the ...
The capsule can become inflamed and stiff, with abnormal bands of tissue growing between the joint surfaces, causing pain and restricting the movement of the shoulder, a condition known as frozen shoulder or adhesive capsulitis. A SLAP tear (superior labrum anterior to posterior) is a rupture in the glenoid labrum. SLAP tears are characterized ...
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