Sublabral foramen

A sublabral foramen or hole is simply separation of the labrum from the underlying glenoid. It is a labral variant of no clinical significance and can be confused with a SLAP lesion

Sublabral foramen are located anterosuperiorly and can extend down to but not below the 3 o'clock position, which divides the anterior labrum into superior and inferior halves. 

Differential diagnosis

Unlike a SLAP lesion (and enabling distinction between the two) it does not extend posteriorly past the insertion of the long head of biceps brachii tendon.

Upper limb anatomy
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Article Information

rID: 2123
System: Musculoskeletal
Section: Anatomy
Synonyms or Alternate Spellings:
  • Sub-labral foramen
  • Sublabral hole
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    Figure 1: common labral injuries
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    Case 1
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