Dentate glenoid (glenoid hypoplasia)

Case contributed by Saqba Farooq
Diagnosis almost certain

Standard X-ray of the left shoulder shows: 

  • hypoplasia of the inferior glenoid
  • notched appearance of the glenoid articular surface
  • scapular neck hypoplasia
  • widening of the inferior glenohumeral joint space

Mildly excessive intracapsular fluid. The rest of the findings as described for the X-ray.

Case Discussion

 Findings are consistent with a dentate glenoid.

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