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MRI Shoulder Rotator Cuff Footprint Tears

What do footprint or insertional tears of the supraspinatus and infraspinatus look like on MRI. The rotator cuff footprint is the broad insertion site of the SST and IST on the greater tuberosity. There are three descriptions and appearances of footprint tears.

mri shoulder rotator cuff footprint insertion tear supraspinatus infraspinatus sst ist radiology education asia

mri shoulder rotator cuff footprint insertion tear supraspinatus infraspinatus sst ist bursal surface radiology education asia

mri shoulder rotator cuff footprint insertion tear supraspinatus infraspinatus sst ist concealed tear radiology education asiaImage above: A concealed tear is covered on both the articular and bursal surfaces buy tendon fibres thus making it concealed to the surgeon on arthroscopy.

DONT FORGET

The anterior insertional fibres of SST are VERY anterior. Look on the coronal scans on the level where you see biceps tendon.

mri shoulder rotator cuff footprint insertion tear supraspinatus infraspinatus sst ist leading edge radiology education asia

mri shoulder rotator cuff footprint insertion tear supraspinatus infraspinatus sst ist leading edge radiology education asia

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September 10, 2017