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What sign is concerning for loosening of the glenoid component?
"Scapular notching" (erosion of the inferior scapular neck) is suggestive of glenoid component failure
The patient has a reverse right total shoulder prosthesis [DJO System; cemented size 8 stem with antibiotic cement and 1 gram of vancomycin added per bag of cement; 26-mm base plate with 4 interlocking screws; 32-mm minus four glenoid sphere; standard polyethylene insert and metallic segment]
There is no evidence of loosening or malalignment.
Two screws in the right acromion are also noted, and are not a typical component of the reverse total shoulder hardware.