Cuff Tear Arthropathy
Definition
Chronic massive rotator cuff defect
- uncovered humeral articular cartilage
- high riding humeral head
- abrasion by undersurface of coracoacromial arch
History
Neer
- introduced term "cuff tear arthropathy"
- included significant rotator cuff diagnosis & arthritis in older patients
- especially women
- synovial fluid contained calcium phosphate crystals + proteases
Aetiology