MRI SHOULDER LABRUM: PERIOSTEAL STRIPPING
MRI Shoulder Labrum Periosteal Stripping. Having a structure when assessing a Shoulder MRI is very useful. When we assess the shoulder labrum there are 7 areas to look at which have some association with labral tears. We have covered the tear itself and variants in earlier posts. In this post we look at Periosteal Stripping. This post is from part of a talk at the Plenary of the 19th Vietnamese Congress of Radiology and Nuclear Medicine in Da Lat Vietnam.
Image Above: Orange arrow normal labrum. Yellow arrow periosteum firmly attached to glenoid cortex and not seen separate to it.
Image Above: Blue Circle junction of labrum, cortex where periosteum is first stripped from.
Image Above: Yellow Arrow stripping of periosteum from cortex.
Image Above: Orange arrow torn labrum and periosteum retracted and medialised. Yellow arrow thick and torn periosteum. Blue arrow fluid between stripped periosteum and cortex.
Image Above: Yellow Arrow Stripped periosteum. Blue Arrow low signal scar between periosteum and cortex. This can become similar signal to periosteum and it can become difficult to see that periosteum has previously been stripped.
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