May Be Caused by

 Common

Advanced arthritis

Ankylosing spondylitis

Avascular necrosis

Degenerative arthritis

Enteropathic arthritis

Erosive osteoarthritis

Fungal arthritis

Gout

Juvenile chronic arthritis

Juvenile rheumatoid arthritis

Neuropathic arthritis

Psoriatic arthritis

Rheumatoid arthritis

Scleroderma

Septic arthritis

Systemic lupus erythematosus

Tuberculous arthritis

 Uncommon

Bleeding tendency

Calcium pyrophosphate dihydrate crystal deposition disease

Farber disease

Hemophilic arthropathy

Pigmented villonodular synovitis

Postoperative arthritis

Reiter syndrome

Repair of slipped capital femoral epiphysis

Sarcoidosis

Smallpox residual

Sternocostoclavicular hyperostosis

Stickler syndrome

Synovial hemangioma

Synovial neoplasm

Winchester syndrome