John Hunter's MSK Teaching File
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Case 13 Discussion

Rheumatoid arthritis with shoulder hemi-arthroplasty. Note the classic pattern of distal clavicle erosion. The humeral prosthesis has eroded the glenoid and migrated superiorly, the latter findings consistent with chronic rotator cuff tear. (41.710, RA)

Additional case of RA with bilateral clavcle erosions is below. Note the high riding right humeral head consistent with chronic rotator cuff tear.

Case 13 Discussion: Post-traumatic osteolysis

Case 14

General Radiology Cases