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Sublabral foramen

Case contributed by Domenico Nicoletti

Presentation

Anterior instability of the left shoulder without prior dislocation.

Patient Data

Age: 18 years
Gender: Male
mri

MRI Arthrography Shoulder

The sublabral foramen is an antero-superior glenoid labrum variant characterized by detachment of the labrum from the underlying glenoid

There is quite a bit of contrast extravasation posteriorly by a posterior injection.

 

Case Discussion

The sublabral foramen is located between the one o'clock and three o'clock position and provides a communication between the glenohumeral joint and the subscapularis recess.

It should not be confused with a sublabral recess or SLAP tear, which are also located in this region.

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