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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 .
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
MRI of normal shoulder intratendinous signal MRI of rotator cuff full-thickness tear. Magnetic resonance imaging and ultrasound [46] are comparable in efficacy and helpful in diagnosis, although both have a false positive rate of 15–20%. [47] MRI can reliably detect most full-thickness tears, although very small pinpoint tears may be missed.
On the left side of the body—where it is the right side of the ligament which is attached to humerus— the U becomes a reverse "J" Sign. [4] Imaging ( MRI ) is the best modality for diagnosis where the presence of the "J" sign on an MRI indicates that this detachment has occurred.
Anterior shoulder dislocation while carrying a frail elder. A dislocated shoulder is a condition in which the head of the humerus is detached from the glenoid fossa. [2] Symptoms include shoulder pain and instability. [2] Complications may include a Bankart lesion, Hill-Sachs lesion, rotator cuff tear, or injury to the axillary nerve. [1]
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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.
PD-weighted MRI with fat saturation of the shoulder showing an ALPSA lesion An ALPSA (anterior labral periosteal sleeve avulsion ) lesion is an injury at the front of the shoulder associated with shoulder dislocation .