cuff tear arthropathy

Chronic massive rotator cuff defect

- uncovered humeral articular cartilage

- high riding humeral head

- abrasion by undersurface of coracoacromial arch

Neer

- introduced term "cuff tear arthropathy"

- included significant rotator cuff diagnosis & arthritis in older patients

- especially women

- synovial fluid contained calcium phosphate crystals + proteases