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18 lis 2023 · MRI remains the gold standard in the diagnosis of supraspinatus tendon injury. MRI can play an important role in diagnosis as well as in pre-operative planning. It can help in diagnosing the size of the tear, retraction, location of the tear, muscle atrophy, level of fatty infiltration or any other degenerative changes.
A supraspinatus tear can occur due to trauma or repeated micro-trauma and present as a partial or full-thickness tear. Most of the time, the tear occurs in the tendon or as an avulsion from the greater tuberosity [2] .
28 lis 2021 · a bursal-sided rim rent tear of the footprint, most commonly found at the tendon insertion of the supraspinatus tendon is called reverse-PASTA lesion; a bursal-sided partial-thickness tear with intratendinous extension should be described as such since delamination hamper the healing potential of the tendon 1
21 sie 2021 · Stage 0 is an intact rotator cuff, stage IA is a partial-thickness tear of the supraspinatus, and stage IB is a full-thickness tear involving only the supraspinatus. Stage II includes the supraspinatus and a portion of the infraspinatus.
The supraspinatus tendon is thickened displaying intermediate signal in T1 and fluid signal within its substance in T2 and STIR images. No retraction. Mild fluid is seen within the subacromial subdeltoid bursa.
Partial- thickness rotator cuff tears most commonly appear as interruption of the normal cuff contour, resulting in a cuff defect filled with fluid signal. The multiplanar capability afforded by MRI allows assessment of the articular, bursal, and intratendinous components of the tear.
All underwent ultrasound imaging of the supraspinatus tendon with the adducted arm at rest and under maximal isometric abduction. Tendon deformation was dynamically assessed and measured with tendon thickness changes at 0.5, 1, 1.5, and 2 cm from the tendon insertion.
